Merge pull request optuna#5569 from RektPunk/remove-relative-import

Replace relative import to absolute path

optuna/artifacts/_backoff.py

@@ -13,7 +13,7 @@
 if TYPE_CHECKING:
     from typing import BinaryIO
 
-    from ._protocol import ArtifactStore
+    from optuna.artifacts._protocol import ArtifactStore
 
 
 class Backoff:
@@ -112,6 +112,6 @@ def remove(self, artifact_id: str) -> None:
 if TYPE_CHECKING:
     # A mypy-runtime assertion to ensure that the Backoff middleware implements
     # all abstract methods in ArtifactStore.
-    from . import FileSystemArtifactStore
+    from optuna.artifacts import FileSystemArtifactStore
 
     _: ArtifactStore = Backoff(FileSystemArtifactStore("."))

optuna/artifacts/_boto3.py

@@ -101,6 +101,6 @@ def _is_not_found_error(e: ClientError) -> bool:
 if TYPE_CHECKING:
     # A mypy-runtime assertion to ensure that Boto3ArtifactStore implements all abstract methods
     # in ArtifactStore.
-    from ._protocol import ArtifactStore
+    from optuna.artifacts._protocol import ArtifactStore
 
     _: ArtifactStore = Boto3ArtifactStore("")

optuna/artifacts/_filesystem.py

@@ -75,6 +75,6 @@ def remove(self, artifact_id: str) -> None:
 if TYPE_CHECKING:
     # A mypy-runtime assertion to ensure that LocalArtifactBackend
     # implements all abstract methods in ArtifactBackendProtocol.
-    from ._protocol import ArtifactStore
+    from optuna.artifacts._protocol import ArtifactStore
 
     _: ArtifactStore = FileSystemArtifactStore("")

optuna/artifacts/_gcs.py

@@ -89,6 +89,6 @@ def remove(self, artifact_id: str) -> None:
 if TYPE_CHECKING:
     # A mypy-runtime assertion to ensure that GCS3ArtifactStore implements all abstract methods
     # in ArtifactStore.
-    from ._protocol import ArtifactStore
+    from optuna.artifacts._protocol import ArtifactStore
 
     _: ArtifactStore = GCSArtifactStore("")

optuna/samplers/_gp/__init__.py

@@ -1,4 +1,4 @@
-from .sampler import GPSampler
+from optuna.samplers._gp.sampler import GPSampler
 
 
 __all__ = ["GPSampler"]