code: def get_project_slug(self, bet):
          '''Return slug of a project that given bet is associated with
          or None if bet is not associated with any project.
          '''
          if bet.get('form_params'):
              params = json.loads(bet['form_params'])
              return params.get('project')
          return Nonf get_project_slug(self, bet):
          '''Return slug of a project that given bet is associated with
          or None if bet is not associated with any project.
          '''
          if bet.get('form_params'):
              params = json.loads(bet['form_params'])
              return params.get('project')
          return None
docs: Return slug of a project that given bet is associated with
          or None if bet is not associated with any project.