Raise ValueError instead of argparse error if invalid date format

Author: dimkarakostas

tests/test_helper.py

@@ -1,7 +1,6 @@
 import tokenomics_decentralization.helper as hlp
 import pathlib
 import os
-import argparse
 import datetime
 import pytest
 
@@ -12,9 +11,9 @@ def test_valid_date():
 
     for d in ['2022/1/01', '2022/01/1', '2022/1', '2022/01', '2022.1.01', '2022.01.1', '2022.1', '2022.01', 'blah',
               '2022-', '2022-1-1', '2022-1-01', '2022-1', '2022-01-1', '2022-02-29']:
-        with pytest.raises(argparse.ArgumentTypeError) as e_info:
+        with pytest.raises(ValueError) as e_info:
             hlp.valid_date(d)
-        assert e_info.type == argparse.ArgumentTypeError
+        assert e_info.type == ValueError
 
 
 def test_get_date_beginning():

tokenomics_decentralization/helper.py

@@ -6,7 +6,6 @@
 import os
 import datetime
 import calendar
-import argparse
 import json
 from collections import defaultdict
 import logging
@@ -33,8 +32,8 @@ def valid_date(date_string):
     try:
         get_date_beginning(date_string)
     except ValueError:
-        raise argparse.ArgumentTypeError("Please use the format YYYY-MM-DD for the timeframe argument "
-                                         "(day and month can be omitted).")
+        raise ValueError("Please use the format YYYY-MM-DD for the timeframe argument "
+                         "(day and month can be omitted).")
     return date_string