From 79cc8e14dc3dee501ac38b333b240d60d6541b98 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Tue, 20 Feb 2024 18:00:34 +0200
Subject: [PATCH 01/18] init tests matplotlib-tests.yml.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 80 ++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 .github/workflows/matplotlib-tests.yml

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
new file mode 100644
index 0000000000..3fe8db585e
--- /dev/null
+++ b/.github/workflows/matplotlib-tests.yml
@@ -0,0 +1,80 @@
+# Run tests and integration tests on Mac, which are triggered by each master push.
+# Currently, Python3.8 is only used as an environment.
+# This is mainly for the sake of speed.
+name: matplotlib-tests
+
+on:
+  pull_request:
+    paths:
+      - tests/visualization_tests/matplotlib_tests
+      - .github/workflows/matplotlib-tests.yml
+      - optuna/visualization/**.py
+  push:
+    paths:
+      - tests/visualization_tests/matplotlib_tests
+      - .github/workflows/matplotlib-tests.yml
+      - optuna/visualization/**.py
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  tests-mac:
+    runs-on: ubuntu-latest
+
+    # Scheduled Tests are disabled for forks.
+    if: (github.event_name == 'schedule' && github.repository == 'optuna/optuna') || (github.event_name != 'schedule')
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Setup Python3.8
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.8
+
+    - name: Setup cache
+      uses: actions/cache@v3
+      env:
+        cache-name: test
+      with:
+        path: ~/Library/Caches/pip
+        key: ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}-v1
+        restore-keys: |
+          ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}
+
+    - name: Install
+      run: |
+        python -m pip install --upgrade pip
+        pip install --progress-bar off -U setuptools
+        # Install minimal dependencies and confirm that `import optuna` is successful.
+        pip install --progress-bar off .
+        python -c 'import optuna'
+        optuna --version
+        pip install --progress-bar off .[test]
+        pip install --progress-bar off .[optional]
+
+    - name: Output installed packages
+      run: |
+        pip freeze --all
+    - name: Output dependency tree
+      run: |
+        pip install pipdeptree
+        pipdeptree
+
+
+    - name: Scheduled tests
+      if:  ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
+      run: |
+        pytest tests -m "not integration"
+    - name: Tests with Plotly
+      if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
+      run: |
+        pytest tests/visualization_tests/matplotlib_tests
+    - name: Tests without Plotly
+      if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
+      run: |
+        pip uninstall -y plotly
+        pytest tests/visualization_tests/matplotlib_tests
+

From 1850373e01bba91968ec02e597881c79d635a8f6 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Tue, 20 Feb 2024 18:03:01 +0200
Subject: [PATCH 02/18] fixed job name.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 3fe8db585e..f6cda8ef69 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -20,7 +20,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  tests-mac:
+  matplotlib-tests:
     runs-on: ubuntu-latest
 
     # Scheduled Tests are disabled for forks.

From 968f7c48709af82c0d7644c901bc16f3093b42b7 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Tue, 20 Feb 2024 18:33:35 +0200
Subject: [PATCH 03/18] isolate _create_study function.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .../matplotlib_tests/test_timeline.py         |  2 +-
 tests/visualization_tests/test_timeline.py    | 20 +-------------
 tests/visualization_tests/utils.py            | 26 +++++++++++++++++++
 3 files changed, 28 insertions(+), 20 deletions(-)
 create mode 100644 tests/visualization_tests/utils.py

diff --git a/tests/visualization_tests/matplotlib_tests/test_timeline.py b/tests/visualization_tests/matplotlib_tests/test_timeline.py
index 1f45e6d7fe..5801e661cb 100644
--- a/tests/visualization_tests/matplotlib_tests/test_timeline.py
+++ b/tests/visualization_tests/matplotlib_tests/test_timeline.py
@@ -6,7 +6,7 @@
 
 from optuna.trial import TrialState
 from optuna.visualization.matplotlib._timeline import plot_timeline
-from tests.visualization_tests.test_timeline import _create_study
+from tests.visualization_tests.utils import _create_study
 
 
 @pytest.mark.parametrize(
diff --git a/tests/visualization_tests/test_timeline.py b/tests/visualization_tests/test_timeline.py
index 9c0684858a..0d4ee3e259 100644
--- a/tests/visualization_tests/test_timeline.py
+++ b/tests/visualization_tests/test_timeline.py
@@ -14,25 +14,7 @@
 from optuna.visualization._plotly_imports import go
 from optuna.visualization._timeline import _get_timeline_info
 from optuna.visualization._timeline import plot_timeline
-
-
-def _create_study(
-    trial_states_list: list[TrialState],
-    trial_sys_attrs: dict[str, Any] | None = None,
-) -> Study:
-    study = optuna.create_study()
-    fmax = float(len(trial_states_list))
-    for i, s in enumerate(trial_states_list):
-        study.add_trial(
-            optuna.trial.create_trial(
-                params={"x": float(i)},
-                distributions={"x": optuna.distributions.FloatDistribution(-1.0, fmax)},
-                value=0.0 if s == TrialState.COMPLETE else None,
-                state=s,
-                system_attrs=trial_sys_attrs,
-            )
-        )
-    return study
+from tests.visualization_tests.utils import _create_study
 
 
 def _create_study_negative_elapsed_time() -> Study:
diff --git a/tests/visualization_tests/utils.py b/tests/visualization_tests/utils.py
new file mode 100644
index 0000000000..965dec18f7
--- /dev/null
+++ b/tests/visualization_tests/utils.py
@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from typing import Any
+
+import optuna
+from optuna import Study
+from optuna.trial import TrialState
+
+
+def _create_study(
+    trial_states_list: list[TrialState],
+    trial_sys_attrs: dict[str, Any] | None = None,
+) -> Study:
+    study = optuna.create_study()
+    fmax = float(len(trial_states_list))
+    for i, s in enumerate(trial_states_list):
+        study.add_trial(
+            optuna.trial.create_trial(
+                params={"x": float(i)},
+                distributions={"x": optuna.distributions.FloatDistribution(-1.0, fmax)},
+                value=0.0 if s == TrialState.COMPLETE else None,
+                state=s,
+                system_attrs=trial_sys_attrs,
+            )
+        )
+    return study

From 1489bbcd899743277a75824615fec09f6acda9bd Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Tue, 20 Feb 2024 18:37:22 +0200
Subject: [PATCH 04/18] fix trigger when tests are changed.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index f6cda8ef69..24d559553e 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -6,12 +6,12 @@ name: matplotlib-tests
 on:
   pull_request:
     paths:
-      - tests/visualization_tests/matplotlib_tests
+      - tests/visualization_tests/matplotlib_tests/**
       - .github/workflows/matplotlib-tests.yml
       - optuna/visualization/**.py
   push:
     paths:
-      - tests/visualization_tests/matplotlib_tests
+      - tests/visualization_tests/matplotlib_tests/**
       - .github/workflows/matplotlib-tests.yml
       - optuna/visualization/**.py
 

From 5003be0ee53474416a53ebb245b0e3c6f474d703 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Tue, 20 Feb 2024 18:54:00 +0200
Subject: [PATCH 05/18] remove push trigger.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 24d559553e..499ab9bdb3 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -9,11 +9,6 @@ on:
       - tests/visualization_tests/matplotlib_tests/**
       - .github/workflows/matplotlib-tests.yml
       - optuna/visualization/**.py
-  push:
-    paths:
-      - tests/visualization_tests/matplotlib_tests/**
-      - .github/workflows/matplotlib-tests.yml
-      - optuna/visualization/**.py
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_number || github.ref }}

From ca1ebc9ef5be6f3ba64adc58dce0eaeeb75c6462 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Wed, 21 Feb 2024 09:07:29 +0200
Subject: [PATCH 06/18] update GA actions version.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 499ab9bdb3..7321f9d089 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -22,15 +22,15 @@ jobs:
     if: (github.event_name == 'schedule' && github.repository == 'optuna/optuna') || (github.event_name != 'schedule')
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup Python3.8
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
 
     - name: Setup cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       env:
         cache-name: test
       with:

From db9a256f1870d94492da13900f60847650bbee90 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Wed, 21 Feb 2024 12:49:39 +0200
Subject: [PATCH 07/18] move _create_study to test_timeline.py from utils.py.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .../matplotlib_tests/test_timeline.py         |  2 +-
 tests/visualization_tests/test_timeline.py    | 27 +++++++++++++++++--
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/tests/visualization_tests/matplotlib_tests/test_timeline.py b/tests/visualization_tests/matplotlib_tests/test_timeline.py
index 5801e661cb..1f45e6d7fe 100644
--- a/tests/visualization_tests/matplotlib_tests/test_timeline.py
+++ b/tests/visualization_tests/matplotlib_tests/test_timeline.py
@@ -6,7 +6,7 @@
 
 from optuna.trial import TrialState
 from optuna.visualization.matplotlib._timeline import plot_timeline
-from tests.visualization_tests.utils import _create_study
+from tests.visualization_tests.test_timeline import _create_study
 
 
 @pytest.mark.parametrize(
diff --git a/tests/visualization_tests/test_timeline.py b/tests/visualization_tests/test_timeline.py
index 0d4ee3e259..7f23ff2a6c 100644
--- a/tests/visualization_tests/test_timeline.py
+++ b/tests/visualization_tests/test_timeline.py
@@ -11,10 +11,33 @@
 from optuna.samplers._base import _CONSTRAINTS_KEY
 from optuna.study.study import Study
 from optuna.trial import TrialState
-from optuna.visualization._plotly_imports import go
+from optuna.visualization._plotly_imports import _imports as plotly_imports
+
+
+if plotly_imports.is_successful():
+    from optuna.visualization._plotly_imports import go
+
 from optuna.visualization._timeline import _get_timeline_info
 from optuna.visualization._timeline import plot_timeline
-from tests.visualization_tests.utils import _create_study
+
+
+def _create_study(
+    trial_states_list: list[TrialState],
+    trial_sys_attrs: dict[str, Any] | None = None,
+) -> Study:
+    study = optuna.create_study()
+    fmax = float(len(trial_states_list))
+    for i, s in enumerate(trial_states_list):
+        study.add_trial(
+            optuna.trial.create_trial(
+                params={"x": float(i)},
+                distributions={"x": optuna.distributions.FloatDistribution(-1.0, fmax)},
+                value=0.0 if s == TrialState.COMPLETE else None,
+                state=s,
+                system_attrs=trial_sys_attrs,
+            )
+        )
+    return study
 
 
 def _create_study_negative_elapsed_time() -> Study:

From 40a731461f334e71ac68407de643fdbba16a3add Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Wed, 21 Feb 2024 12:49:54 +0200
Subject: [PATCH 08/18] remove utils.py.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 tests/visualization_tests/utils.py | 26 --------------------------
 1 file changed, 26 deletions(-)
 delete mode 100644 tests/visualization_tests/utils.py

diff --git a/tests/visualization_tests/utils.py b/tests/visualization_tests/utils.py
deleted file mode 100644
index 965dec18f7..0000000000
--- a/tests/visualization_tests/utils.py
+++ /dev/null
@@ -1,26 +0,0 @@
-from __future__ import annotations
-
-from typing import Any
-
-import optuna
-from optuna import Study
-from optuna.trial import TrialState
-
-
-def _create_study(
-    trial_states_list: list[TrialState],
-    trial_sys_attrs: dict[str, Any] | None = None,
-) -> Study:
-    study = optuna.create_study()
-    fmax = float(len(trial_states_list))
-    for i, s in enumerate(trial_states_list):
-        study.add_trial(
-            optuna.trial.create_trial(
-                params={"x": float(i)},
-                distributions={"x": optuna.distributions.FloatDistribution(-1.0, fmax)},
-                value=0.0 if s == TrialState.COMPLETE else None,
-                state=s,
-                system_attrs=trial_sys_attrs,
-            )
-        )
-    return study

From 0350caa5d98db56306d24115a55c418f32a3031c Mon Sep 17 00:00:00 2001
From: Daniel Avdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:29:49 +0200
Subject: [PATCH 09/18] comments clean up.

Co-authored-by: Kento Nozawa <k_nzw@klis.tsukuba.ac.jp>
---
 .github/workflows/matplotlib-tests.yml | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 7321f9d089..fb27e37c83 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -1,6 +1,3 @@
-# Run tests and integration tests on Mac, which are triggered by each master push.
-# Currently, Python3.8 is only used as an environment.
-# This is mainly for the sake of speed.
 name: matplotlib-tests
 
 on:

From 636526007301df00d8137ad553e30f92f6323a4d Mon Sep 17 00:00:00 2001
From: Daniel Avdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:30:26 +0200
Subject: [PATCH 10/18] Matplotlib-dependent tests exist in
 tests/visualization_tests/*.py too.

Co-authored-by: Kento Nozawa <k_nzw@klis.tsukuba.ac.jp>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index fb27e37c83..38362ece68 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -3,7 +3,7 @@ name: matplotlib-tests
 on:
   pull_request:
     paths:
-      - tests/visualization_tests/matplotlib_tests/**
+      - tests/visualization_tests/**
       - .github/workflows/matplotlib-tests.yml
       - optuna/visualization/**.py
 

From 88b58e9194033b9834964991b0708920a0655fd7 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:36:56 +0200
Subject: [PATCH 11/18] cache for ubuntu.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 38362ece68..9c3c3f227f 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -31,7 +31,7 @@ jobs:
       env:
         cache-name: test
       with:
-        path: ~/Library/Caches/pip
+        path:  ~/.cache/pip
         key: ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}-v1
         restore-keys: |
           ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}

From d996a6e3983a6cf85cf53889a58f675db5ad7ef9 Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:39:31 +0200
Subject: [PATCH 12/18] revert actions upgrade.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 9c3c3f227f..f31c95f69b 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -19,15 +19,15 @@ jobs:
     if: (github.event_name == 'schedule' && github.repository == 'optuna/optuna') || (github.event_name != 'schedule')
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
 
     - name: Setup Python3.8
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
 
     - name: Setup cache
-      uses: actions/cache@v4
+      uses: actions/cache@v3
       env:
         cache-name: test
       with:

From 961ed64f537a9a75fa72edba8357e5d78d6ea8ad Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:41:07 +0200
Subject: [PATCH 13/18] remove test step with plotly.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index f31c95f69b..01271e75ff 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -60,10 +60,7 @@ jobs:
       if:  ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
       run: |
         pytest tests -m "not integration"
-    - name: Tests with Plotly
-      if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
-      run: |
-        pytest tests/visualization_tests/matplotlib_tests
+
     - name: Tests without Plotly
       if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
       run: |

From c88998b702f3de3761542458a5b11b2b75a41c7a Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 08:42:54 +0200
Subject: [PATCH 14/18] update cache name.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 01271e75ff..2399fa2995 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Setup cache
       uses: actions/cache@v3
       env:
-        cache-name: test
+        cache-name: test-with-minimum-versions
       with:
         path:  ~/.cache/pip
         key: ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}-v1

From 23c8231782692274af6250b28aa039d38a1bb9fc Mon Sep 17 00:00:00 2001
From: Daniel Avdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 10:03:25 +0200
Subject: [PATCH 15/18] remove unnecessary step.

Co-authored-by: Kento Nozawa <k_nzw@klis.tsukuba.ac.jp>
---
 .github/workflows/matplotlib-tests.yml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 2399fa2995..9091949ec0 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -56,10 +56,6 @@ jobs:
         pipdeptree
 
 
-    - name: Scheduled tests
-      if:  ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
-      run: |
-        pytest tests -m "not integration"
 
     - name: Tests without Plotly
       if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}

From f53a109b4a8662384e1b894bb048d9e20a45ab10 Mon Sep 17 00:00:00 2001
From: Daniel Avdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 10:04:00 +0200
Subject: [PATCH 16/18] isort workflow.

Co-authored-by: Kento Nozawa <k_nzw@klis.tsukuba.ac.jp>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 9091949ec0..5f29674846 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -3,9 +3,9 @@ name: matplotlib-tests
 on:
   pull_request:
     paths:
-      - tests/visualization_tests/**
       - .github/workflows/matplotlib-tests.yml
       - optuna/visualization/**.py
+      - tests/visualization_tests/**
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.run_number || github.ref }}

From be7780074c5e07fda2b2c5eb1bd491b96fe68a6d Mon Sep 17 00:00:00 2001
From: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Thu, 22 Feb 2024 10:04:48 +0200
Subject: [PATCH 17/18] rename caching.

Signed-off-by: DanielAvdar <66269169+DanielAvdar@users.noreply.github.com>
---
 .github/workflows/matplotlib-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index 5f29674846..cf9695da2d 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Setup cache
       uses: actions/cache@v3
       env:
-        cache-name: test-with-minimum-versions
+        cache-name: test-matplotlib
       with:
         path:  ~/.cache/pip
         key: ${{ runner.os }}-3.8-${{ env.cache-name }}-${{ hashFiles('**/pyproject.toml') }}-v1

From fb8185161e4ba4ebe3d76f79b49c1afedafe610d Mon Sep 17 00:00:00 2001
From: Daniel Avdar <66269169+DanielAvdar@users.noreply.github.com>
Date: Fri, 23 Feb 2024 09:54:55 +0200
Subject: [PATCH 18/18] One more thing.

Co-authored-by: Kento Nozawa <k_nzw@klis.tsukuba.ac.jp>
---
 .github/workflows/matplotlib-tests.yml | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/.github/workflows/matplotlib-tests.yml b/.github/workflows/matplotlib-tests.yml
index cf9695da2d..a69c83e986 100644
--- a/.github/workflows/matplotlib-tests.yml
+++ b/.github/workflows/matplotlib-tests.yml
@@ -54,9 +54,6 @@ jobs:
       run: |
         pip install pipdeptree
         pipdeptree
-
-
-
     - name: Tests without Plotly
       if:  ${{ github.event_name != 'schedule' && github.event_name != 'workflow_dispatch' }}
       run: |