Apply pre-commit fixes: isort and remove unused type ignore

Author: iabhi4

pandas/core/frame.py

@@ -112,14 +112,14 @@
     BaseMaskedDtype,
     ExtensionDtype,
 )
+from pandas.core.dtypes.generic import (
+    ABCIndex,
+    ABCSeries,
+)
 from pandas.core.dtypes.missing import (
     isna,
     notna,
 )
-from pandas.core.dtypes.generic import (
-    ABCSeries,
-    ABCIndex
-)
 
 from pandas.core import (
     algorithms,
@@ -804,7 +804,7 @@ def __init__(
                 mgr = dict_to_mgr(
                     # error: Item "ndarray" of "Union[ndarray, Series, Index]" has no
                     # attribute "name"
-                    {data.name: data},  # type: ignore[union-attr]
+                    {data.name: data},
                     index,
                     columns,
                     dtype=dtype,

pandas/tests/frame/test_constructors.py

@@ -2792,6 +2792,7 @@ def __new__(cls, input_array):
         expected = DataFrame(np.eye(3))
         tm.assert_frame_equal(df, expected)
 
+
 class TestDataFrameConstructorIndexInference:
     def test_frame_from_dict_of_series_overlapping_monthly_period_indexes(self):
         rng1 = pd.period_range("1/1/1999", "1/1/2012", freq="M")