Update _models.py

Author: mrm9084

featuremanagement/_time_window_filter/_models.py

@@ -106,6 +106,9 @@ def __init__(self, range_data: Dict[str, Any]):
                 self.end_date = parsedate_to_datetime(end_date_str) if end_date_str else None
             except ValueError as e:
                 raise ValueError(f"Invalid value for EndDate: {end_date_str}") from e
+            except TypeError as e:
+                # Python 3.9 and earlier throw TypeError if the string is not in RFC 2822 format.
+                raise ValueError(f"Invalid value for EndDate: {end_date_str}") from e
         self.num_of_occurrences = range_data.get("NumberOfOccurrences", math.pow(2, 63) - 1)
         if self.num_of_occurrences < 0:
             raise ValueError("The number of occurrences must be greater than or equal to 0.")