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CLN: Replace isinstance(foo, Class) with isinstance(foo, ABCClass) #32485

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3 changes: 2 additions & 1 deletion pandas/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@
)

from pandas.core.arrays.sparse import SparseDtype
from pandas.core.dtypes.generic import ABCSparseArray

from pandas.tseries.api import infer_freq
from pandas.tseries import offsets
Expand Down Expand Up @@ -341,7 +342,7 @@ class __SparseArray(type):
SparseArray = sa

def __instancecheck__(cls, other):
return isinstance(other, cls.SparseArray)
return isinstance(other, ABCSparseArray)

class __SparseArraySub(metaclass=__SparseArray):
def emit_warning(dummy=0):
Expand Down