some changes to fix bugs

Author: IngramBJ

pandas/core/reshape/encoding.py

@@ -211,7 +211,7 @@ def check_len(item, name: str) -> None:
             # columns to prepend to result.
             with_dummies = [data.select_dtypes(exclude=dtypes_to_encode)]
 
-        for col, pre, sep in zip(data_to_encode.items(), prefix, prefix_sep, strict=True):
+        for col, pre, sep in zip(data_to_encode.items(), prefix, prefix_sep):
             # col is (column_name, column), use just column data here
             dummy = _get_dummies_1d(
                 col[1],
@@ -538,7 +538,7 @@ def from_dummies(
                 raise ValueError(len_msg)
         elif isinstance(default_category, Hashable):
             default_category = dict(
-                zip(variables_slice, [default_category] * len(variables_slice), strict=True)
+                zip(variables_slice, [default_category] * len(variables_slice))
             )
         else:
             raise TypeError(