diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index b9f4a0f..cdb65ca 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -45,7 +45,7 @@ jobs:
         ls -l
         pip install poetry
         poetry config virtualenvs.create false
-        poetry config virtualenvs.in-project true 
+        poetry config virtualenvs.in-project true
         poetry env use `which python`
         python --version
         poetry --version
diff --git a/db/db_dev_v1.sql b/db/db_dev_v1.sql
index c36b345..fdeb423 100644
--- a/db/db_dev_v1.sql
+++ b/db/db_dev_v1.sql
@@ -67,4 +67,3 @@ where
 	ml.study_id = 1
 order by ml.created_on asc
 ;
-
diff --git a/repromon_app/__init__.py b/repromon_app/__init__.py
index 4287ca8..792d600 100755
--- a/repromon_app/__init__.py
+++ b/repromon_app/__init__.py
@@ -1 +1 @@
-#
\ No newline at end of file
+#
diff --git a/repromon_app/tests/conftest.py b/repromon_app/tests/conftest.py
index f32a009..dd93c17 100644
--- a/repromon_app/tests/conftest.py
+++ b/repromon_app/tests/conftest.py
@@ -1,6 +1,5 @@
-import os
 import logging
-import threading
+import os
 import tempfile
 
 import pytest
@@ -8,12 +7,14 @@
 from fastapi.testclient import TestClient
 from httpx import BasicAuth
 
-from repromon_app.config import app_config, app_config_init, app_settings
-from repromon_app.db import db_init
+from repromon_app.config import app_config_init, app_settings
+# from repromon_app.db import db_init
 from repromon_app.service import SecSysService
 from repromon_app.srv import create_fastapi_app
 from repromon_tools import setup_db
 
+# import threading
+
 logger = logging.getLogger(__name__)
 #