diff --git a/pandas/io/pytables.py b/pandas/io/pytables.py
index 0e886befb5f2f..eedf00bcd9c76 100644
--- a/pandas/io/pytables.py
+++ b/pandas/io/pytables.py
@@ -2093,11 +2093,8 @@ def convert(self, values: np.ndarray, nan_rep, encoding: str, errors: str):
             if "freq" in kwargs:
                 kwargs["freq"] = None
             new_pd_index = factory(values, **kwargs)
-
-        # error: Incompatible types in assignment (expression has type
-        # "Union[ndarray, DatetimeIndex]", variable has type "Index")
-        new_pd_index = _set_tz(new_pd_index, self.tz)  # type: ignore[assignment]
-        return new_pd_index, new_pd_index
+        final_pd_index = _set_tz(new_pd_index, self.tz)
+        return final_pd_index, final_pd_index
 
     def take_data(self):
         """return the values"""