Fixing Literal import

Author: lmcindewar

pandas/io/stata.py

@@ -18,10 +18,10 @@
 import struct
 import sys
 from typing import (
+    TYPE_CHECKING,
     Any,
     AnyStr,
     Hashable,
-    Literal,
     Sequence,
     cast,
 )
@@ -66,6 +66,9 @@
 
 from pandas.io.common import get_handle
 
+if TYPE_CHECKING:
+    from typing import Literal
+
 _version_error = (
     "Version of given Stata file is {version}. pandas supports importing "
     "versions 105, 108, 111 (Stata 7SE), 113 (Stata 8/9), "