Fix mypy errors in Optuna 4.0+

python_tests/artifact/test_backend.py

@@ -142,7 +142,9 @@ def test_successful_study_artifact_retrieval() -> None:
         with tempfile.NamedTemporaryFile() as f:
             f.write(b"dummy_content")
             f.flush()
-            artifact_id = upload_artifact(study, f.name, artifact_store=artifact_store)
+            artifact_id = upload_artifact(
+                study_or_trial=study, file_path=f.name, artifact_store=artifact_store
+            )
         app = create_app(storage, artifact_store)
         status, _, body = send_request(
             app,
@@ -188,7 +190,9 @@ def test_successful_trial_artifact_retrieval() -> None:
         with tempfile.NamedTemporaryFile() as f:
             f.write(b"dummy_content")
             f.flush()
-            artifact_id = upload_artifact(trial, f.name, artifact_store=artifact_store)
+            artifact_id = upload_artifact(
+                study_or_trial=trial, file_path=f.name, artifact_store=artifact_store
+            )
         app = create_app(storage, artifact_store)
         status, _, body = send_request(
             app,
@@ -281,7 +285,9 @@ def test_delete_study_artifact() -> None:
         with tempfile.NamedTemporaryFile() as f:
             f.write(b"dummy_content")
             f.flush()
-            artifact_id = upload_artifact(study, f.name, artifact_store=artifact_store)
+            artifact_id = upload_artifact(
+                study_or_trial=study, file_path=f.name, artifact_store=artifact_store
+            )
         app = create_app(storage, artifact_store)
         status, _, _ = send_request(
             app,
@@ -306,7 +312,9 @@ def test_delete_trial_artifact() -> None:
         with tempfile.NamedTemporaryFile() as f:
             f.write(b"dummy_content")
             f.flush()
-            artifact_id = upload_artifact(trial, f.name, artifact_store=artifact_store)
+            artifact_id = upload_artifact(
+                study_or_trial=trial, file_path=f.name, artifact_store=artifact_store
+            )
         app = create_app(storage, artifact_store)
         status, _, _ = send_request(
             app,

python_tests/artifact/test_optuna_compatibility.py

@@ -31,7 +31,7 @@ def test_list_optuna_trial_artifacts() -> None:
         with tempfile.NamedTemporaryFile() as f:
             f.write(dummy_content)
             f.flush()
-            upload_artifact(trial, f.name, artifact_store=artifact_store)
+            upload_artifact(study_or_trial=trial, file_path=f.name, artifact_store=artifact_store)
 
         study.tell(trial, 0.0)
 
@@ -76,7 +76,9 @@ def test_delete_optuna_study_artifacts() -> None:
         artifact_store = FileSystemArtifactStore(tmpdir)
 
         def objective(trial: optuna.Trial) -> float:
-            upload_artifact(trial, dummy_file_path, artifact_store=artifact_store)
+            upload_artifact(
+                study_or_trial=trial, file_path=dummy_file_path, artifact_store=artifact_store
+            )
             return 0.0
 
         study.optimize(objective, n_trials=10)

python_tests/test_api.py

@@ -539,7 +539,9 @@ class APITestCase(TestCase):
             with tempfile.NamedTemporaryFile() as f:
                 f.write(b"dummy")
                 f.flush()
-                artifact_id = upload_artifact(study, f.name, artifact_store)
+                artifact_id = upload_artifact(
+                    study_or_trial=study, file_path=f.name, artifact_store=artifact_store
+                )
 
             app = create_app(storage, artifact_store)
 
@@ -575,7 +577,9 @@ class APITestCase(TestCase):
             with tempfile.NamedTemporaryFile() as f:
                 f.write(b"dummy")
                 f.flush()
-                artifact_id = upload_artifact(study, f.name, artifact_store)
+                artifact_id = upload_artifact(
+                    study_or_trial=study, file_path=f.name, artifact_store=artifact_store
+                )
 
             app = create_app(storage, artifact_store)
 

python_tests/wsgi_client.py

@@ -10,6 +10,8 @@ from optuna_dashboard._storage import trials_last_fetched_at
 
 
 if typing.TYPE_CHECKING:
+    from sys import _OptExcInfo
+
     from _typeshed.wsgi import WSGIEnvironment
 
 
@@ -64,7 +66,9 @@ def send_request(
     status: str = ""
     response_headers: list[tuple[str, str]] = []
 
-    def start_response(status_: str, headers_: list[tuple[str, str]]) -> None:
+    def start_response(
+        status_: str, headers_: list[tuple[str, str]], exc_info: _OptExcInfo | None = None
+    ) -> None:
         nonlocal status, response_headers
         status = status_
         response_headers = headers_