pre-commit fixes

Author: topper-123

pandas/core/arrays/masked.py

@@ -6,7 +6,6 @@
     Iterator,
     Literal,
     Sequence,
-    TypeVar,
     overload,
 )
 import warnings

pandas/core/frame.py

@@ -3603,8 +3603,9 @@ def transpose(self, *args, copy: bool = False) -> DataFrame:
             if isinstance(dtypes[0], BaseMaskedDtype):
                 # We have masked arrays with the same dtype. We can transpose faster.
                 from pandas.core.arrays.masked import transpose_homogenous_masked_arrays
+
                 if isinstance(self._mgr, ArrayManager):
-                    masked_arrays = [arr for arr in self._mgr.arrays]
+                    masked_arrays = self._mgr.arrays
                 else:
                     masked_arrays = [blk.values for blk in self._mgr.blocks]
                 new_values = transpose_homogenous_masked_arrays(masked_arrays)