feedback: replace issubclass(., DatetimeLikeArray)

Author: arw2019

pandas/core/dtypes/cast.py

@@ -55,6 +55,7 @@
     is_timedelta64_dtype,
     is_timedelta64_ns_dtype,
     is_unsigned_integer_dtype,
+    needs_i8_conversion,
     pandas_dtype,
 )
 from pandas.core.dtypes.dtypes import (
@@ -487,19 +488,13 @@ def maybe_casted_values(index, codes=None):
             values_type = type(values)
             values_dtype = values.dtype
 
-            from pandas.core.arrays.datetimelike import (
-                DatetimeLikeArrayMixin as DatetimeLikeArray,
-            )
-
-            if issubclass(values_type, DatetimeLikeArray):
+            if needs_i8_conversion(values.dtype) and isinstance(values, ExtensionArray):
                 values = values._data  # TODO: can we de-kludge yet?
 
             if mask.any():
                 values, _ = maybe_upcast_putmask(values, mask, np.nan)
 
-            if not issubclass(values_type, DatetimeLikeArray):
-                pass
-            else:
+            if needs_i8_conversion(values.dtype) and isinstance(values, ExtensionArray):
                 values = values_type(values, dtype=values_dtype)
 
     return values