Added GH ref

Author: MomIsBestFriend

pandas/core/nanops.py

@@ -426,7 +426,7 @@ def nanany(values, axis=None, skipna: bool = True, mask=None):
     # GH #12863
     # Checking if the `axis` is None because numpy
     # doesn't handle ``any`` and ``all`` on
-    # object arrays correclty. see
+    # object arrays correctly. see
     # https://github.com/numpy/numpy/issues/4352
 
     # TODO: Find a less code-smelly way of doing this
@@ -494,7 +494,7 @@ def nanall(values, axis=None, skipna: bool = True, mask=None):
     # GH #12863
     # Checking if the `axis` is None because numpy
     # doesn't handle ``any`` and ``all`` on
-    # object arrays correclty. see
+    # object arrays correctly. see
     # https://github.com/numpy/numpy/issues/4352
 
     # TODO: Find a less code-smelly way of doing this
@@ -528,6 +528,7 @@ def is_all(values: np.ndarray) -> bool:
 
     return is_all(values)
 
+
 @disallow("M8")
 def nansum(values, axis=None, skipna=True, min_count=0, mask=None):
     """

pandas/tests/reductions/test_reductions.py

@@ -826,6 +826,7 @@ def test_all_any_params(self):
         s1 = Series([np.nan, True])
         s2 = Series([np.nan, False])
 
+        # GH #12863
         assert s1.all(skipna=True)
         assert s1.any(skipna=True)