Fix typing errors (pandas-dev#29115)

Thanks, @AbhijeetKrishnan

Author: AbhijeetKrishnan

pandas/tests/frame/test_constructors.py

@@ -50,13 +50,13 @@ class TestDataFrameConstructors:
             lambda: DataFrame({}),
             lambda: DataFrame(()),
             lambda: DataFrame([]),
-            lambda: DataFrame((x for x in [])),
+            lambda: DataFrame((_ for _ in [])),
             lambda: DataFrame(range(0)),
             lambda: DataFrame(data=None),
             lambda: DataFrame(data={}),
             lambda: DataFrame(data=()),
             lambda: DataFrame(data=[]),
-            lambda: DataFrame(data=(x for x in [])),
+            lambda: DataFrame(data=(_ for _ in [])),
             lambda: DataFrame(data=range(0)),
         ],
     )
@@ -72,7 +72,7 @@ def test_empty_constructor(self, constructor):
         [
             ([[]], RangeIndex(1), RangeIndex(0)),
             ([[], []], RangeIndex(2), RangeIndex(0)),
-            ([(x for x in [])], RangeIndex(1), RangeIndex(0)),
+            ([(_ for _ in [])], RangeIndex(1), RangeIndex(0)),
         ],
     )
     def test_emptylike_constructor(self, emptylike, expected_index, expected_columns):

setup.cfg

@@ -158,9 +158,6 @@ ignore_errors=True
 [mypy-pandas.tests.extension.json.test_json]
 ignore_errors=True
 
-[mypy-pandas.tests.frame.test_constructors]
-ignore_errors=True
-
 [mypy-pandas.tests.indexes.datetimes.test_datetimelike]
 ignore_errors=True