Fix is_datetime64tz_dtype

Author: athimma2

ci/code_checks.sh

@@ -123,7 +123,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Timestamp.tzinfo GL08" \
         -i "pandas.Timestamp.year GL08" \
         -i "pandas.api.extensions.ExtensionArray.interpolate PR01,SA01" \
-        -i "pandas.api.types.is_datetime64tz_dtype SA01" \
         -i "pandas.api.types.is_dict_like PR07,SA01" \
         -i "pandas.api.types.is_extension_array_dtype SA01" \
         -i "pandas.api.types.is_file_like PR07,SA01" \

pandas/core/dtypes/common.py

@@ -323,6 +323,13 @@ def is_datetime64tz_dtype(arr_or_dtype) -> bool:
     boolean
         Whether or not the array-like or dtype is of a DatetimeTZDtype dtype.
 
+    See Also
+    --------
+    api.types.is_datetime64_dtype: Check whether an array-like or
+                                        dtype is of the datetime64 dtype.
+    api.types.is_datetime64_any_dtype: Check whether the provided array or
+                                        dtype is of the datetime64 dtype.
+
     Examples
     --------
     >>> from pandas.api.types import is_datetime64tz_dtype