PERF: isinstance ABCIndexClass and ABCExtensionArray (pandas-dev#34607)

Author: simonjayhawkins

pandas/core/dtypes/generic.py

@@ -38,7 +38,7 @@ def _check(cls, inst) -> bool:
 ABCIndexClass = create_pandas_abc_type(
     "ABCIndexClass",
     "_typ",
-    (
+    {
         "index",
         "int64index",
         "rangeindex",
@@ -50,7 +50,7 @@ def _check(cls, inst) -> bool:
         "periodindex",
         "categoricalindex",
         "intervalindex",
-    ),
+    },
 )
 
 ABCSeries = create_pandas_abc_type("ABCSeries", "_typ", ("series",))
@@ -66,6 +66,6 @@ def _check(cls, inst) -> bool:
     "ABCExtensionArray",
     "_typ",
     # Note: IntervalArray and SparseArray are included bc they have _typ="extension"
-    ("extension", "categorical", "periodarray", "datetimearray", "timedeltaarray"),
+    {"extension", "categorical", "periodarray", "datetimearray", "timedeltaarray"},
 )
 ABCPandasArray = create_pandas_abc_type("ABCPandasArray", "_typ", ("npy_extension",))