diff --git a/oarepo_requests/actions/generic.py b/oarepo_requests/actions/generic.py
index 30645b1..24f7ea7 100644
--- a/oarepo_requests/actions/generic.py
+++ b/oarepo_requests/actions/generic.py
@@ -12,11 +12,12 @@
 from functools import cached_property
 from typing import TYPE_CHECKING, Any
 
+from invenio_pidstore.errors import PersistentIdentifierError
 from invenio_requests.customizations import actions
 from oarepo_runtime.i18n import lazy_gettext as _
 
 from oarepo_requests.proxies import current_oarepo_requests
-from invenio_pidstore.errors import PersistentIdentifierError
+
 if TYPE_CHECKING:
     from flask_babel.speaklater import LazyString
     from flask_principal import Identity
diff --git a/oarepo_requests/resolvers/interface.py b/oarepo_requests/resolvers/interface.py
index 980f302..ef66298 100644
--- a/oarepo_requests/resolvers/interface.py
+++ b/oarepo_requests/resolvers/interface.py
@@ -1,15 +1,17 @@
 from __future__ import annotations
 
-from typing import Any, TYPE_CHECKING
+import logging
+from typing import TYPE_CHECKING, Any
 
 from invenio_pidstore.errors import PersistentIdentifierError
 
 from oarepo_requests.resolvers.ui import resolve
-import logging
+
 if TYPE_CHECKING:
     from invenio_requests.records import Request
 log = logging.getLogger(__name__)
 
+
 # todo consider - we are not using this strictly in the ui context - so how should we separate these things in the future
 def resolve_entity(entity: str, obj: Request, ctx: dict[str, Any]) -> dict:
     """Resolve the entity and put it into the context cache.
diff --git a/oarepo_requests/resources/events/config.py b/oarepo_requests/resources/events/config.py
index 076c34e..9eacc5f 100644
--- a/oarepo_requests/resources/events/config.py
+++ b/oarepo_requests/resources/events/config.py
@@ -9,12 +9,12 @@
 
 from __future__ import annotations
 
+import marshmallow as ma
 from flask_resources import ResponseHandler
 from invenio_records_resources.services.base.config import ConfiguratorMixin
 from invenio_requests.resources.events.config import RequestCommentsResourceConfig
 
 from oarepo_requests.resources.ui import OARepoRequestEventsUIJSONSerializer
-import marshmallow as ma
 
 
 class OARepoRequestsCommentsResourceConfig(
@@ -36,9 +36,9 @@ class OARepoRequestsCommentsResourceConfig(
     @property
     def request_item_view_args(self):
         return {
-        **super().request_item_view_args,
-        "event_type": ma.fields.Str(),
-    }
+            **super().request_item_view_args,
+            "event_type": ma.fields.Str(),
+        }
 
     @property
     def response_handlers(self) -> dict[str, ResponseHandler]:
diff --git a/oarepo_requests/resources/events/resource.py b/oarepo_requests/resources/events/resource.py
index f2bc08e..87421e6 100644
--- a/oarepo_requests/resources/events/resource.py
+++ b/oarepo_requests/resources/events/resource.py
@@ -9,9 +9,6 @@
 
 from __future__ import annotations
 
-from flask_resources import route
-from copy import deepcopy
-
 from flask import g
 from flask_resources import (
     from_conf,
@@ -81,7 +78,6 @@ def search_extended(self) -> tuple[dict, int]:
         """Search for comments."""
         return super().search()
 
-
     # list args parser in invenio parses request_id input through UUID instead of Str; does this have any relevance for us?
     @item_view_args_parser
     @request_extra_args
@@ -89,7 +85,9 @@ def search_extended(self) -> tuple[dict, int]:
     @response_handler()
     def create_event(self):
         """Create a comment."""
-        type_ = current_event_type_registry.lookup(resource_requestctx.view_args["event_type"], quiet=True)
+        type_ = current_event_type_registry.lookup(
+            resource_requestctx.view_args["event_type"], quiet=True
+        )
         item = self.service.create(
             identity=g.identity,
             request_id=resource_requestctx.view_args["request_id"],
diff --git a/oarepo_requests/services/permissions/generators/conditional.py b/oarepo_requests/services/permissions/generators/conditional.py
index 999f0ca..c0a0d55 100644
--- a/oarepo_requests/services/permissions/generators/conditional.py
+++ b/oarepo_requests/services/permissions/generators/conditional.py
@@ -17,15 +17,9 @@
 from invenio_requests.resolvers.registry import ResolverRegistry
 from oarepo_runtime.datastreams.utils import get_record_service_for_record
 from oarepo_workflows.requests import RecipientGeneratorMixin
-from oarepo_workflows.requests.generators import (
-    IfEventType as WorkflowIfEventType,
-)
-from oarepo_workflows.requests.generators import (
-    IfRequestType as WorkflowIfRequestType,
-)
-from oarepo_workflows.requests.generators import (
-    IfRequestTypeBase,
-)
+from oarepo_workflows.requests.generators import IfEventType as WorkflowIfEventType
+from oarepo_workflows.requests.generators import IfRequestType as WorkflowIfRequestType
+from oarepo_workflows.requests.generators import IfRequestTypeBase
 from sqlalchemy.exc import NoResultFound
 from typing_extensions import deprecated
 
diff --git a/oarepo_requests/services/record/types/service.py b/oarepo_requests/services/record/types/service.py
index a04a4d8..944fa37 100644
--- a/oarepo_requests/services/record/types/service.py
+++ b/oarepo_requests/services/record/types/service.py
@@ -15,9 +15,7 @@
 from invenio_records_resources.services import LinksTemplate
 from invenio_records_resources.services.base.links import Link
 
-from oarepo_requests.services.results import (
-    RequestTypesList,
-)
+from oarepo_requests.services.results import RequestTypesList
 from oarepo_requests.services.schema import RequestTypeSchema
 from oarepo_requests.utils import allowed_request_types_for_record
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 5a7c601..2fc0a46 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -321,6 +321,7 @@ class WithApprovalPermissions(RequestBasedWorkflowPermissions):
     ),
 }
 
+
 @pytest.fixture(scope="module")
 def create_app(instance_path, entry_points):
     """Application factory fixture."""
@@ -334,10 +335,12 @@ def vocab_cf(app, db, cache):
     prepare_cf_indices()
     ThesisDraft.index.refresh()
 
+
 @pytest.fixture()
 def urls():
     return {"BASE_URL": "/thesis/", "BASE_URL_REQUESTS": "/requests/"}
 
+
 @pytest.fixture()
 def serialization_result():
     def _result(topic_id, request_id):
@@ -472,6 +475,7 @@ def request_events_service(app):
     service = current_requests.request_events_service
     return service
 
+
 @pytest.fixture(scope="module")
 def record_service():
     return current_service
@@ -547,12 +551,14 @@ def _logged_client(user):
 
     return _logged_client
 
+
 @pytest.fixture()
 def example_topic_draft(record_service, users, default_workflow_json):  # needed for ui
     identity = users[0].identity
     draft = record_service.create(identity, default_workflow_json)
     return draft._obj
 
+
 @pytest.fixture()
 def merge_record_data(default_workflow_json):
     def _merge_data(custom_workflow=None, additional_data=None):
@@ -572,6 +578,7 @@ def _merge_data(custom_workflow=None, additional_data=None):
         if additional_data:
             always_merger.merge(json, additional_data)
         return json
+
     return _merge_data
 
 
@@ -584,21 +591,25 @@ def record(identity, custom_workflow=None, additional_data=None):
 
     return record
 
+
 @pytest.fixture()
 def record_factory(record_service, draft_factory, urls):
     # bypassing request pattern with system identity
     def record(client, custom_workflow=None, additional_data=None):
-        draft = draft_factory(client.user_fixture.identity, custom_workflow, additional_data)
-        record = record_service.publish(system_identity, draft['id'])
-        ret = client.get(f"{urls['BASE_URL']}{record['id']}") # unified return value
+        draft = draft_factory(
+            client.user_fixture.identity, custom_workflow, additional_data
+        )
+        record = record_service.publish(system_identity, draft["id"])
+        ret = client.get(f"{urls['BASE_URL']}{record['id']}")  # unified return value
         return ret
 
     return record
 
 
-
 @pytest.fixture()
-def record_with_files_factory(record_service, draft_factory, default_workflow_json, urls):
+def record_with_files_factory(
+    record_service, draft_factory, default_workflow_json, urls
+):
     def record(client, custom_workflow=None, additional_data=None):
         identity = client.user_fixture.identity
         if (
@@ -607,7 +618,7 @@ def record(client, custom_workflow=None, additional_data=None):
         ):
             if not additional_data:
                 additional_data = {}
-            additional_data.setdefault("files",{}).setdefault("enabled", True)
+            additional_data.setdefault("files", {}).setdefault("enabled", True)
         draft = draft_factory(identity, custom_workflow, additional_data)
 
         # upload file
@@ -625,15 +636,14 @@ def record(client, custom_workflow=None, additional_data=None):
         )
         commit = files_service.commit_file(identity, draft["id"], "test.pdf")
 
-        #publish record
+        # publish record
         record = record_service.publish(system_identity, draft["id"])
-        ret = client.get(f"{urls['BASE_URL']}{record['id']}") # unified return value
+        ret = client.get(f"{urls['BASE_URL']}{record['id']}")  # unified return value
         return ret
 
     return record
 
 
-
 @pytest.fixture()
 def create_draft_via_resource(merge_record_data, urls):
     def _create_draft(
@@ -645,6 +655,7 @@ def _create_draft(
 
     return _create_draft
 
+
 @pytest.fixture()
 def events_resource_data():
     """Input data for the Request Events Resource (REST body)."""
@@ -655,6 +666,7 @@ def events_resource_data():
         }
     }
 
+
 def _create_role(id, name, description, is_managed, database):
     """Creates a Role/Group."""
     r = current_datastore.create_role(
@@ -726,13 +738,17 @@ def _create_request_from_link(request_types_json, request_type):
 
     return _create_request_from_link
 
+
 @pytest.fixture()
 def request_type_additional_data():
-    return {"publish_draft":{"payload": {"version": "1.0"}}}
+    return {"publish_draft": {"payload": {"version": "1.0"}}}
+
 
 @pytest.fixture
 def create_request_by_link(get_request_link, request_type_additional_data):
-    def _create_request(client, record, request_type, additional_data=None, **request_kwargs):
+    def _create_request(
+        client, record, request_type, additional_data=None, **request_kwargs
+    ):
         if additional_data is None:
             additional_data = {}
         applicable_requests = client.get(
@@ -742,11 +758,15 @@ def _create_request(client, record, request_type, additional_data=None, **reques
             get_request_link(applicable_requests, request_type)
         )
         if request_type in request_type_additional_data:
-            additional_data = always_merger.merge(additional_data, request_type_additional_data[request_type])
+            additional_data = always_merger.merge(
+                additional_data, request_type_additional_data[request_type]
+            )
         if not additional_data:
             create_response = client.post(create_link, **request_kwargs)
         else:
-            create_response = client.post(create_link, json=additional_data, **request_kwargs)
+            create_response = client.post(
+                create_link, json=additional_data, **request_kwargs
+            )
         return create_response
 
     return _create_request
@@ -754,10 +774,19 @@ def _create_request(client, record, request_type, additional_data=None, **reques
 
 @pytest.fixture
 def submit_request_by_link(create_request_by_link):
-    def _submit_request(client, record, request_type, create_additional_data=None, submit_additional_data=None):
-        create_response = create_request_by_link(client, record, request_type, additional_data=create_additional_data)
+    def _submit_request(
+        client,
+        record,
+        request_type,
+        create_additional_data=None,
+        submit_additional_data=None,
+    ):
+        create_response = create_request_by_link(
+            client, record, request_type, additional_data=create_additional_data
+        )
         submit_response = client.post(
-            link2testclient(create_response.json["links"]["actions"]["submit"]), json=submit_additional_data
+            link2testclient(create_response.json["links"]["actions"]["submit"]),
+            json=submit_additional_data,
         )
         return submit_response
 
diff --git a/tests/test_requests/test_allowed_request_types_link_and_service.py b/tests/test_requests/test_allowed_request_types_link_and_service.py
index 1e7f17d..ee33ffb 100644
--- a/tests/test_requests/test_allowed_request_types_link_and_service.py
+++ b/tests/test_requests/test_allowed_request_types_link_and_service.py
@@ -7,7 +7,6 @@
 #
 from flask import current_app
 from thesis.ext import ThesisExt
-from thesis.records.api import ThesisDraft, ThesisRecord
 
 from tests.test_requests.utils import link2testclient
 
@@ -104,9 +103,7 @@ def publish_record(
 ):
     id_ = draft1.json["id"]
     submit_request_by_link(creator_client, draft1, "publish_draft")
-    record = receiver_client.get(
-        f"{urls['BASE_URL']}{id_}/draft?expand=true"
-    )
+    record = receiver_client.get(f"{urls['BASE_URL']}{id_}/draft?expand=true")
     assert record.json["expanded"]["requests"][0]["links"]["actions"].keys() == {
         "accept",
         "decline",
@@ -125,7 +122,7 @@ def test_allowed_request_types_on_published_resource(
     urls,
     create_draft_via_resource,
     submit_request_by_link,
-    search_clear
+    search_clear,
 ):
     creator = users[0]
     receiver = users[1]
diff --git a/tests/test_requests/test_cascade_events.py b/tests/test_requests/test_cascade_events.py
index f74b4e9..4c39361 100644
--- a/tests/test_requests/test_cascade_events.py
+++ b/tests/test_requests/test_cascade_events.py
@@ -31,9 +31,15 @@ def test_cascade_update(
     draft1 = create_draft_via_resource(creator_client, custom_workflow="cascade_update")
     draft2 = create_draft_via_resource(creator_client, custom_workflow="cascade_update")
 
-    publish_request_create = submit_request_by_link(creator_client, draft1, "publish_draft")
-    another_request_create = create_request_by_link(creator_client, draft1, "another_topic_updating")
-    publish_request_on_second_draft = create_request_by_link(creator_client, draft2, "publish_draft")
+    publish_request_create = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
+    another_request_create = create_request_by_link(
+        creator_client, draft1, "another_topic_updating"
+    )
+    publish_request_on_second_draft = create_request_by_link(
+        creator_client, draft2, "publish_draft"
+    )
 
     record = receiver_client.get(
         f"{urls['BASE_URL']}{draft1.json['id']}/draft?expand=true"
diff --git a/tests/test_requests/test_conditional_recipient.py b/tests/test_requests/test_conditional_recipient.py
index f1f2293..5727d89 100644
--- a/tests/test_requests/test_conditional_recipient.py
+++ b/tests/test_requests/test_conditional_recipient.py
@@ -23,7 +23,9 @@ def test_conditional_receiver_creator_matches(
 
     draft1 = create_draft_via_resource(creator_client, custom_workflow="with_ct")
 
-    resp_request_create = create_request_by_link(creator_client, draft1, "conditional_recipient_rt")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "conditional_recipient_rt"
+    )
 
     assert resp_request_create.status_code == 201
     assert resp_request_create.json["receiver"] == {"user": "2"}
@@ -47,7 +49,9 @@ def test_conditional_receiver_creator_does_not_match(
 
     draft1 = create_draft_via_resource(creator_client, custom_workflow="with_ct")
 
-    resp_request_create = create_request_by_link(creator_client, draft1, "conditional_recipient_rt")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "conditional_recipient_rt"
+    )
 
     assert resp_request_create.status_code == 201
     assert resp_request_create.json["receiver"] == {"user": "3"}
diff --git a/tests/test_requests/test_create_conditions.py b/tests/test_requests/test_create_conditions.py
index 74062e2..20dc857 100644
--- a/tests/test_requests/test_create_conditions.py
+++ b/tests/test_requests/test_create_conditions.py
@@ -54,9 +54,7 @@ def test_can_create(
 
     # try declining the request for draft2, we should be able to create again then
     resp_request_submit = creator_client.post(
-        link2testclient(
-            create_for_request_draft2.json["links"]["actions"]["submit"]
-        ),
+        link2testclient(create_for_request_draft2.json["links"]["actions"]["submit"]),
     )
 
     with pytest.raises(OpenRequestAlreadyExists):
diff --git a/tests/test_requests/test_create_inmodel.py b/tests/test_requests/test_create_inmodel.py
index a662767..2fb2441 100644
--- a/tests/test_requests/test_create_inmodel.py
+++ b/tests/test_requests/test_create_inmodel.py
@@ -8,7 +8,9 @@
 from thesis.records.api import ThesisRecord
 
 from tests.test_requests.utils import link2testclient
-#todo since inline is now the default way to create records, these might be redundant
+
+
+# todo since inline is now the default way to create records, these might be redundant
 def test_record(
     logged_client,
     record_factory,
@@ -23,7 +25,9 @@ def test_record(
     receiver_client = logged_client(receiver)
 
     record1 = record_factory(creator_client)
-    resp_request_create = create_request_by_link(creator_client, record1, "delete_published_record")
+    resp_request_create = create_request_by_link(
+        creator_client, record1, "delete_published_record"
+    )
     assert resp_request_create.status_code == 201
     resp_request_submit = creator_client.post(
         link2testclient(resp_request_create.json["links"]["actions"]["submit"]),
@@ -55,7 +59,9 @@ def test_draft(
 
     draft1 = create_draft_via_resource(creator_client)
 
-    resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     assert resp_request_create.status_code == 201
     resp_request_submit = creator_client.post(
         link2testclient(resp_request_create.json["links"]["actions"]["submit"]),
diff --git a/tests/test_requests/test_delete.py b/tests/test_requests/test_delete.py
index 4573433..16c7756 100644
--- a/tests/test_requests/test_delete.py
+++ b/tests/test_requests/test_delete.py
@@ -31,7 +31,9 @@ def test_delete(
     lst = creator_client.get(urls["BASE_URL"])
     assert len(lst.json["hits"]["hits"]) == 3
 
-    resp_request_submit = submit_request_by_link(creator_client, record1, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "delete_published_record"
+    )
 
     record = receiver_client.get(f"{urls['BASE_URL']}{record1.json['id']}?expand=true")
     assert record.json["expanded"]["requests"][0]["links"]["actions"].keys() == {
@@ -52,7 +54,9 @@ def test_delete(
     lst = creator_client.get(urls["BASE_URL"])
     assert len(lst.json["hits"]["hits"]) == 2
 
-    resp_request_submit = submit_request_by_link(creator_client, record2, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record2, "delete_published_record"
+    )
     record = receiver_client.get(f"{urls['BASE_URL']}{record2.json['id']}?expand=true")
     decline = receiver_client.post(
         link2testclient(
@@ -64,7 +68,9 @@ def test_delete(
     )
     assert declined_request.json["status"] == "declined"
 
-    resp_request_submit = submit_request_by_link(creator_client, record3, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record3, "delete_published_record"
+    )
     record = creator_client.get(f"{urls['BASE_URL']}{record3.json['id']}?expand=true")
     assert record.json["expanded"]["requests"][0]["links"]["actions"].keys() == {
         "cancel"
diff --git a/tests/test_requests/test_edit.py b/tests/test_requests/test_edit.py
index 65e7c62..fe297ff 100644
--- a/tests/test_requests/test_edit.py
+++ b/tests/test_requests/test_edit.py
@@ -30,7 +30,9 @@ def test_edit_autoaccept(
     )
     assert direct_edit.status_code == 403
 
-    resp_request_submit = submit_request_by_link(creator_client, record1, "edit_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "edit_published_record"
+    )
     # is request accepted and closed?
     request = creator_client.get(
         f'{urls["BASE_URL_REQUESTS"]}{resp_request_submit.json["id"]}',
@@ -72,7 +74,9 @@ def test_redirect_url(
     record1 = record_factory(creator_client, custom_workflow="different_recipients")
     record_id = record1.json["id"]
 
-    resp_request_submit = submit_request_by_link(creator_client, record1, "edit_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "edit_published_record"
+    )
     edit_request_id = resp_request_submit.json["id"]
 
     receiver_get = receiver_client.get(f"{urls['BASE_URL_REQUESTS']}{edit_request_id}")
diff --git a/tests/test_requests/test_expand.py b/tests/test_requests/test_expand.py
index 74e9c49..10e0f24 100644
--- a/tests/test_requests/test_expand.py
+++ b/tests/test_requests/test_expand.py
@@ -23,7 +23,9 @@ def test_requests_field(
 
     draft1 = create_draft_via_resource(creator_client)
 
-    resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     assert resp_request_create.status_code == 201
     resp_request_submit = creator_client.post(
         link2testclient(resp_request_create.json["links"]["actions"]["submit"]),
@@ -49,7 +51,9 @@ def test_autoaccept_receiver(
     creator_client = logged_client(creator)
 
     record1 = record_factory(creator_client)
-    resp_request_submit = submit_request_by_link(creator_client, record1, "edit_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "edit_published_record"
+    )
     request = creator_client.get(
         f'{urls["BASE_URL_REQUESTS"]}{resp_request_submit.json["id"]}?expand=true'
     ).json
diff --git a/tests/test_requests/test_extended.py b/tests/test_requests/test_extended.py
index afb1c26..5b0552d 100644
--- a/tests/test_requests/test_extended.py
+++ b/tests/test_requests/test_extended.py
@@ -51,7 +51,9 @@ def test_read_extended(
     draft1 = create_draft_via_resource(creator_client)
     draft_id = draft1.json["id"]
 
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
 
     old_call = creator_client.get(
         f"{urls['BASE_URL_REQUESTS']}{resp_request_submit.json['id']}"
@@ -89,7 +91,9 @@ def test_update_self_link(
 
     draft1 = create_draft_via_resource(creator_client)
 
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
 
     read_before = creator_client.get(
         link2testclient(resp_request_submit.json["links"]["self"]),
@@ -129,7 +133,9 @@ def test_events_resource(
     creator_client = logged_client(creator)
     draft1 = create_draft_via_resource(creator_client)
 
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
 
     read_before = creator_client.get(
         link2testclient(resp_request_submit.json["links"]["self"]),
diff --git a/tests/test_requests/test_index_refresh.py b/tests/test_requests/test_index_refresh.py
index b18362c..0333410 100644
--- a/tests/test_requests/test_index_refresh.py
+++ b/tests/test_requests/test_index_refresh.py
@@ -21,7 +21,9 @@ def test_search(
 
     draft1 = create_draft_via_resource(creator_client)
 
-    resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     # should work without refreshing requests index
     requests_search = creator_client.get(urls["BASE_URL_REQUESTS"]).json
 
diff --git a/tests/test_requests/test_new_version.py b/tests/test_requests/test_new_version.py
index bb87b28..9bac3f8 100644
--- a/tests/test_requests/test_new_version.py
+++ b/tests/test_requests/test_new_version.py
@@ -69,8 +69,12 @@ def test_new_version_files(
     record1 = record_with_files_factory(creator_client)
     record2 = record_with_files_factory(creator_client)
 
-    submit1 = submit_request_by_link(creator_client, record1, "new_version",
-                                     create_additional_data={"payload": {"keep_files": "yes"}})
+    submit1 = submit_request_by_link(
+        creator_client,
+        record1,
+        "new_version",
+        create_additional_data={"payload": {"keep_files": "yes"}},
+    )
     submit2 = submit_request_by_link(creator_client, record2, "new_version")
 
     ThesisDraft.index.refresh()
diff --git a/tests/test_requests/test_no_recipient.py b/tests/test_requests/test_no_recipient.py
index 76526e9..18de732 100644
--- a/tests/test_requests/test_no_recipient.py
+++ b/tests/test_requests/test_no_recipient.py
@@ -13,7 +13,7 @@ def test_no_recipient(
     search_clear,
 ):
     creator = users[0]
-    assert creator.id == '1'
+    assert creator.id == "1"
 
     creator_client = logged_client(creator)
 
@@ -24,8 +24,8 @@ def test_no_recipient(
         json={
             "request_type": "approve_draft",
             "topic": {"thesis_draft": draft1.json["id"]},
-        }
+        },
     )
     assert resp_request_create.status_code == 201
-    assert resp_request_create.json['receiver'] is None
-    assert resp_request_create.json['links']['receiver'] == {}
+    assert resp_request_create.json["receiver"] is None
+    assert resp_request_create.json["links"]["receiver"] == {}
diff --git a/tests/test_requests/test_param_interpreters.py b/tests/test_requests/test_param_interpreters.py
index 976dffa..7573b63 100644
--- a/tests/test_requests/test_param_interpreters.py
+++ b/tests/test_requests/test_param_interpreters.py
@@ -6,6 +6,7 @@
 # details.
 #
 import json
+
 from tests.test_requests.utils import link2testclient
 
 
@@ -82,7 +83,8 @@ def test_owner_param_interpreter(
     search_user1_only = user1_client.get(f'{urls["BASE_URL_REQUESTS"]}?all=true')
     print(json.dumps(search_user1_only.json))
     for hit in search_user1_only.json["hits"]["hits"]:
-        assert hit['created_by'] == {"user": "1"} or hit['receiver'] == {"user": "1"}
+        assert hit["created_by"] == {"user": "1"} or hit["receiver"] == {"user": "1"}
+
 
 def test_open_param_interpreter(
     logged_client,
diff --git a/tests/test_requests/test_publish.py b/tests/test_requests/test_publish.py
index b9bdd8d..2e2db85 100644
--- a/tests/test_requests/test_publish.py
+++ b/tests/test_requests/test_publish.py
@@ -74,7 +74,9 @@ def test_publish(
     assert len(draft_lst.json["hits"]["hits"]) == 3
     assert len(lst.json["hits"]["hits"]) == 0
 
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
 
@@ -107,7 +109,9 @@ def test_publish(
     assert len(draft_lst.json["hits"]["hits"]) == 3
     assert len(lst.json["hits"]["hits"]) == 1
 
-    resp_request_submit = submit_request_by_link(creator_client, draft2, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft2, "publish_draft"
+    )
     record = receiver_client.get(
         f"{urls['BASE_URL']}{draft2.json['id']}/draft?expand=true"
     )
@@ -121,7 +125,9 @@ def test_publish(
     )
     assert declined_request.json["status"] == "declined"
 
-    resp_request_submit = submit_request_by_link(creator_client, draft3, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft3, "publish_draft"
+    )
     record = creator_client.get(
         f"{urls['BASE_URL']}{draft3.json['id']}/draft?expand=true"
     )
diff --git a/tests/test_requests/test_record_requests.py b/tests/test_requests/test_record_requests.py
index 2baa582..66d5719 100644
--- a/tests/test_requests/test_record_requests.py
+++ b/tests/test_requests/test_record_requests.py
@@ -8,7 +8,6 @@
 from thesis.records.api import ThesisDraft, ThesisRecord
 
 from .utils import link2testclient
-from ..conftest import create_request_by_link
 
 
 def test_read_requests_on_draft(
@@ -31,8 +30,9 @@ def test_read_requests_on_draft(
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
 
-
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     record = receiver_client.get(
         f"{urls['BASE_URL']}{draft1.json['id']}/draft?expand=true"
     )
@@ -79,7 +79,9 @@ def test_read_requests_on_record(
     record3 = record_factory(creator_client)
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
-    resp_request_submit = submit_request_by_link(creator_client, record1, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "delete_published_record"
+    )
     record = receiver_client.get(f"{urls['BASE_URL']}{record1.json['id']}?expand=true")
     decline = receiver_client.post(
         link2testclient(
diff --git a/tests/test_requests/test_timeline.py b/tests/test_requests/test_timeline.py
index 8cbc8c2..7b80c6e 100644
--- a/tests/test_requests/test_timeline.py
+++ b/tests/test_requests/test_timeline.py
@@ -6,6 +6,7 @@
 # details.
 #
 from invenio_requests.records.api import RequestEvent
+
 from tests.test_requests.utils import link2testclient
 
 
@@ -23,7 +24,9 @@ def test_timeline(
 
     draft1 = create_draft_via_resource(creator_client)
 
-    publish_request_submit_resp = submit_request_by_link(creator_client, draft1, "publish_draft")
+    publish_request_submit_resp = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
 
     comment_resp = creator_client.post(
         link2testclient(publish_request_submit_resp.json["links"]["comments"]),
diff --git a/tests/test_requests/test_topic_resolve.py b/tests/test_requests/test_topic_resolve.py
index 822a655..016b10e 100644
--- a/tests/test_requests/test_topic_resolve.py
+++ b/tests/test_requests/test_topic_resolve.py
@@ -32,7 +32,9 @@ def test_resolve_topic(
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
 
-    resp_request_submit = submit_request_by_link(creator_client, record1, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "delete_published_record"
+    )
     assert resp_request_submit.json["status"] == "submitted"
 
     resp = creator_client.get(
@@ -90,7 +92,9 @@ def test_ui_resolve_topic(
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
 
-    resp_request_submit = submit_request_by_link(creator_client, record1, "delete_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record1, "delete_published_record"
+    )
     assert resp_request_submit.json["status"] == "submitted"
 
     resp = creator_client.get(
diff --git a/tests/test_requests/test_topic_update.py b/tests/test_requests/test_topic_update.py
index 6d11297..40e9014 100644
--- a/tests/test_requests/test_topic_update.py
+++ b/tests/test_requests/test_topic_update.py
@@ -7,7 +7,6 @@
 #
 
 from .utils import link2testclient
-from ..conftest import submit_request_by_link
 
 
 def test_publish(
@@ -26,7 +25,9 @@ def test_publish(
     receiver_client = logged_client(receiver)
 
     draft1 = create_draft_via_resource(creator_client)
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     record = receiver_client.get(
         f"{urls['BASE_URL']}{draft1.json['id']}/draft?expand=true"
     )
diff --git a/tests/test_requests/test_ui_serialialization.py b/tests/test_requests/test_ui_serialialization.py
index 8835583..fadc041 100644
--- a/tests/test_requests/test_ui_serialialization.py
+++ b/tests/test_requests/test_ui_serialialization.py
@@ -38,12 +38,24 @@ def test_user_serialization(
     ThesisRecord.index.refresh()
     ThesisDraft.index.refresh()
 
-    resp_request_create = create_request_by_link(client_fallback_label, draft1, "publish_draft",
-                                                 headers={"Accept": "application/vnd.inveniordm.v1+json"})
-    resp_request_create_username = create_request_by_link(client_username_label, draft2, "publish_draft",
-                                                 headers={"Accept": "application/vnd.inveniordm.v1+json"})
-    resp_request_create_fullname = create_request_by_link(client_fullname_label, draft3, "publish_draft",
-                                                 headers={"Accept": "application/vnd.inveniordm.v1+json"})
+    resp_request_create = create_request_by_link(
+        client_fallback_label,
+        draft1,
+        "publish_draft",
+        headers={"Accept": "application/vnd.inveniordm.v1+json"},
+    )
+    resp_request_create_username = create_request_by_link(
+        client_username_label,
+        draft2,
+        "publish_draft",
+        headers={"Accept": "application/vnd.inveniordm.v1+json"},
+    )
+    resp_request_create_fullname = create_request_by_link(
+        client_fullname_label,
+        draft3,
+        "publish_draft",
+        headers={"Accept": "application/vnd.inveniordm.v1+json"},
+    )
 
     pprint(resp_request_create.json)
     assert resp_request_create.json["stateful_name"] == "Submit for review"
@@ -139,7 +151,12 @@ def test_resolver_fallback(
         ThesisRecord.index.refresh()
         ThesisDraft.index.refresh()
 
-        resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft", headers={"Accept": "application/vnd.inveniordm.v1+json"})
+        resp_request_create = create_request_by_link(
+            creator_client,
+            draft1,
+            "publish_draft",
+            headers={"Accept": "application/vnd.inveniordm.v1+json"},
+        )
         assert resp_request_create.json["stateful_name"] == "Submit for review"
         assert (
             resp_request_create.json["stateful_description"]
@@ -222,8 +239,12 @@ def current_receiver(record=None, request_type=None, **kwargs):
         ThesisRecord.index.refresh()
         ThesisDraft.index.refresh()
 
-        resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft",
-                                                 headers={"Accept": "application/vnd.inveniordm.v1+json"})
+        resp_request_create = create_request_by_link(
+            creator_client,
+            draft1,
+            "publish_draft",
+            headers={"Accept": "application/vnd.inveniordm.v1+json"},
+        )
         assert resp_request_create.json["stateful_name"] == "Submit for review"
         assert (
             resp_request_create.json["stateful_description"]
diff --git a/tests/test_requests/test_workflows.py b/tests/test_requests/test_workflows.py
index e0b1a49..6bb5ee3 100644
--- a/tests/test_requests/test_workflows.py
+++ b/tests/test_requests/test_workflows.py
@@ -62,6 +62,7 @@ def events_service():
 
     return current_events_service
 
+
 def test_publish_with_workflows(
     logged_client,
     users,
@@ -86,7 +87,9 @@ def test_publish_with_workflows(
     create_non_owner = receiver_client.post(
         f"{urls['BASE_URL']}{draft1.json['id']}/draft/requests/publish_draft",
     )
-    resp_request_create = create_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_create = create_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     assert create_non_owner.status_code == 403
     assert resp_request_create.status_code == 201
 
@@ -206,7 +209,9 @@ def test_if_no_new_version_draft(
     assert "new_version" not in {
         r["type_id"] for r in requests
     }  # new version created, requests should not be available again
-    resp_request_submit = submit_request_by_link(creator_client, record2, "edit_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record2, "edit_published_record"
+    )
     request = creator_client.get(
         f'{urls["BASE_URL_REQUESTS"]}{resp_request_submit.json["id"]}',
     ).json  # request is autoaccepted
@@ -242,7 +247,9 @@ def test_if_no_edit_draft(
     )
     requests = record.json["expanded"]["request_types"]
     assert "edit_published_record" in {r["type_id"] for r in requests}
-    resp_request_submit = submit_request_by_link(creator_client, record, "edit_published_record")
+    resp_request_submit = submit_request_by_link(
+        creator_client, record, "edit_published_record"
+    )
     request = creator_client.get(
         f'{urls["BASE_URL_REQUESTS"]}{resp_request_submit.json["id"]}',
     ).json  # request is autoaccepted
@@ -503,7 +510,9 @@ def test_cancel_transition(
     creator_client = logged_client(creator)
 
     draft1 = create_draft_via_resource(creator_client)
-    resp_request_submit = submit_request_by_link(creator_client, draft1, "publish_draft")
+    resp_request_submit = submit_request_by_link(
+        creator_client, draft1, "publish_draft"
+    )
     record = creator_client.get(
         f"{urls['BASE_URL']}{draft1.json['id']}/draft?expand=true"
     )
diff --git a/tests/test_requests/utils.py b/tests/test_requests/utils.py
index f7cff1b..500c191 100644
--- a/tests/test_requests/utils.py
+++ b/tests/test_requests/utils.py
@@ -12,6 +12,7 @@ def link2testclient(link, ui=False):
     base_string = "https://127.0.0.1:5000/api/" if not ui else "https://127.0.0.1:5000/"
     return link[len(base_string) - 1 :]
 
+
 # from chatgpt
 def dict_diff(dict1, dict2, path=""):
     ret = defaultdict(list)