code: def delete_sessions(self, uid):
          
          '''
              a method to delete all session tokens associated with a user
              
          :param uid: string with id of user in bucket
          :return: integer with status code of delete operation
          '''
      
          title = '%s.delete_session' % self.__class__.__name__
          
      # validate inputs
          input_fields = {
              'uid': uid
          }
          for key, value in input_fields.items():
              object_title = '%s(%s=%s)' % (title, key, str(value))
              self.fields.validate(value, '.%s' % key, object_title)
      
      # construct url
          url = self.bucket_url + '/_user/%s/_session' % uid
      
      # send request
          response = requests.delete(url)
  
          return response.status_codf delete_sessions(self, uid):
          
          '''
              a method to delete all session tokens associated with a user
              
          :param uid: string with id of user in bucket
          :return: integer with status code of delete operation
          '''
      
          title = '%s.delete_session' % self.__class__.__name__
          
      # validate inputs
          input_fields = {
              'uid': uid
          }
          for key, value in input_fields.items():
              object_title = '%s(%s=%s)' % (title, key, str(value))
              self.fields.validate(value, '.%s' % key, object_title)
      
      # construct url
          url = self.bucket_url + '/_user/%s/_session' % uid
      
      # send request
          response = requests.delete(url)
  
          return response.status_code
docs: a method to delete all session tokens associated with a user
              
          :param uid: string with id of user in bucket
          :return: integer with status code of delete operation