title: I am trying to test my Python project before deploy, and I get "ambiguous option" error
body: <pre><code>C:\Users\Videc\Documents\GitHub\blog4&gt;python manage.py test --debug
  usage: manage.py test [-h] [--noinput] [--failfast] [--testrunner TESTRUNNER] [-t TOP_LEVEL] [-p PATTERN] [--keepdb]
                        [--shuffle [SEED]] [-r] [--debug-mode] [-d] [--parallel [N]] [--tag TAGS] [--exclude-tag EXCLUDE_TAGS]    
                        [--pdb] [-b] [--no-faulthandler] [--timing] [-k TEST_NAME_PATTERNS] [--version] [-v {0,1,2,3}]
                        [--settings SETTINGS] [--pythonpath PYTHONPATH] [--traceback] [--no-color] [--force-color]
                        [test_label ...]
  manage.py test: error: ambiguous option: --debug could match --debug-mode, --debug-sql
  
  C:\Users\Videc\Documents\GitHub\blog4&gt;
  </code></pre>