[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

openml/__init__.py

@@ -131,3 +131,4 @@ def __getattr__(name: str):
         return globals()[name]
     if name not in __all__:
         return get(name)
+    return None

openml/utils/_indexing/_preindex_sklearn.py

@@ -1,6 +1,8 @@
 """Registry lookup methods - scikit-learn estimators."""
+
 # adapted from the sktime utility of the same name
 # copyright: sktime developers, BSD-3-Clause License (see LICENSE file)
+from __future__ import annotations
 
 __author__ = ["fkiraly"]
 # all_estimators is also based on the sklearn utility of the same name
@@ -115,7 +117,7 @@ def _all_sklearn_estimators(
             will be the name of the column of estimator class names and the string(s)
             passed in return_tags will serve as column names for all columns of
             tags that were optionally requested.
-    """  # noqa: E501
+    """
     from sklearn.base import BaseEstimator
 
     MODULES_TO_IGNORE_SKLEARN = [
@@ -125,13 +127,11 @@ def _all_sklearn_estimators(
         "conftest",
     ]
 
-    result = all_objects(
+    return all_objects(
         object_types=BaseEstimator,
         package_name=package_name,
         modules_to_ignore=MODULES_TO_IGNORE_SKLEARN,
         as_dataframe=as_dataframe,
         return_names=return_names,
         suppress_import_stdout=suppress_import_stdout,
     )
-
-    return result

openml/utils/_inmemory/_dict.py

@@ -1,5 +1,7 @@
 """Utilities module for serializing and deserializing dicts."""
 
+from __future__ import annotations
+
 
 def serialize_dict(d, mode="eval", name="d"):
     """Serialize a dict as an executable Python code snippet.
@@ -40,13 +42,14 @@ def serialize_dict(d, mode="eval", name="d"):
     >>> deserialized_dict = eval(serialized_dict)
     >>> assert deserialized_dict == my_dict
     """
+
     def dq(s):
         # Escape backslashes and double quotes for valid Python strings
         return s.replace("\\", "\\\\").replace('"', '\\"')
 
     if mode == "eval":
         lines = ["{"]
-    else: # mode == "exec"
+    else:  # mode == "exec"
         lines = [f"{name} = {{"]
     for k, v in d.items():
         lines.append(f'    "{dq(k)}": "{dq(v)}",')

openml/utils/_openml.py

@@ -17,7 +17,6 @@
 import openml
 import openml._api_calls
 import openml.exceptions
-
 from openml import config
 
 # Avoid import cycles: https://mypy.readthedocs.io/en/latest/common_issues.html#import-cycles