TST/CLN: reformat (pandas-dev#7002)

Author: fangchenli

pandas/tests/groupby/test_apply.py

@@ -5,8 +5,8 @@
 import pytest
 
 import pandas as pd
-from pandas import DataFrame, Index, MultiIndex, Series, bdate_range
 import pandas._testing as tm
+from pandas import DataFrame, Index, MultiIndex, Series, bdate_range
 
 
 def test_apply_issues():
@@ -65,8 +65,8 @@ def test_apply_trivial():
 
 @pytest.mark.xfail(
     reason="GH#20066; function passed into apply "
-    "returns a DataFrame with the same index "
-    "as the one to create GroupBy object."
+           "returns a DataFrame with the same index "
+           "as the one to create GroupBy object."
 )
 def test_apply_trivial_fail():
     # GH 20066
@@ -124,14 +124,14 @@ def f(g):
         (DataFrame({"a": [1, 1, 1, 2, 2, 1, 1, 2], "b": range(8)}), [1, 2]),
         (DataFrame({"a": [1, 2, 3, 1, 2, 3], "two": [4, 5, 6, 7, 8, 9]}), [1, 2, 3]),
         (
-            DataFrame(
-                {
-                    "a": list("aaabbbcccc"),
-                    "B": [3, 4, 3, 6, 5, 2, 1, 9, 5, 4],
-                    "C": [4, 0, 2, 2, 2, 7, 8, 6, 2, 8],
-                }
-            ),
-            ["a", "b", "c"],
+                DataFrame(
+                    {
+                        "a": list("aaabbbcccc"),
+                        "B": [3, 4, 3, 6, 5, 2, 1, 9, 5, 4],
+                        "C": [4, 0, 2, 2, 2, 7, 8, 6, 2, 8],
+                    }
+                ),
+                ["a", "b", "c"],
         ),
         (DataFrame([[1, 2, 3], [2, 2, 3]], columns=["a", "b", "c"]), [1, 2]),
     ],
@@ -155,6 +155,7 @@ def test_group_apply_once_per_group(df, group_names):
     # once per group
 
     names = []
+
     # cannot parameterize over the functions since they need external
     # `names` to detect side effects
 
@@ -683,7 +684,6 @@ def func_with_date(batch):
 
 
 def test_gb_apply_list_of_unequal_len_arrays():
-
     # GH1738
     df = DataFrame(
         {
@@ -897,12 +897,12 @@ def test_apply_index_has_complex_internals(index):
         (lambda x: set(x.index.to_list()), [{0, 1}, {2, 3}]),
         (lambda x: tuple(x.index.to_list()), [(0, 1), (2, 3)]),
         (
-            lambda x: {n: i for (n, i) in enumerate(x.index.to_list())},
-            [{0: 0, 1: 1}, {0: 2, 1: 3}],
+                lambda x: {n: i for (n, i) in enumerate(x.index.to_list())},
+                [{0: 0, 1: 1}, {0: 2, 1: 3}],
         ),
         (
-            lambda x: [{n: i} for (n, i) in enumerate(x.index.to_list())],
-            [[{0: 0}, {1: 1}], [{0: 2}, {1: 3}]],
+                lambda x: [{n: i} for (n, i) in enumerate(x.index.to_list())],
+                [[{0: 0}, {1: 1}], [{0: 2}, {1: 3}]],
         ),
     ],
 )