STYLE: enable pylint nan-comparison (#49407)

Author: natmokval

pandas/tests/series/test_constructors.py

@@ -134,7 +134,7 @@ def test_constructor(self, datetime_series):
         # Mixed type Series
         mixed = Series(["hello", np.NaN], index=[0, 1])
         assert mixed.dtype == np.object_
-        assert mixed[1] is np.NaN
+        assert np.isnan(mixed[1])
 
         assert not empty_series.index._is_all_dates
         with tm.assert_produces_warning(FutureWarning):

pyproject.toml

@@ -160,7 +160,6 @@ disable = [
   "invalid-overridden-method",
   "keyword-arg-before-vararg",
   "method-cache-max-size-none",
-  "nan-comparison",
   "non-parent-init-called",
   "overridden-final-method",
   "pointless-statement",