SIENTIAPDE-1579: Lint fixes and formatting

model_manager/utils/models/experiment_status.py

@@ -1,7 +1,7 @@
-from enum import Enum
+from enum import StrEnum
 
 
-class ExperimentStatus(str, Enum):
+class ExperimentStatus(StrEnum):
     """
     Status values for experiment run lifecycle.
 

model_manager/utils/repository/training_repository.py

@@ -481,9 +481,9 @@ class TrainingRepository:
             'datetime',
             'DateTime',
         ]
-        timestamp_columns = (
-            [params.date_column] if params.date_column else []
-        ) + [c for c in common_timestamp_columns if c != params.date_column]
+        timestamp_columns = ([params.date_column] if params.date_column else []) + [
+            c for c in common_timestamp_columns if c != params.date_column
+        ]
 
         for col in timestamp_columns:
             if col in data.columns: