code: def verification_cancel(self, verification_id, reason=None):
          
  
          data = {
              "cancel": True,
              "cancel_reason": reason
          }
  
          response = self._put(url.verifications_id.format(id=verification_id), body=data)
          self._check_response(response, 202)
docs: Cancels a started verification.  Uses PUT to /verifications/<verification_id> interface
  
          :Args:
            * *verification_id*: (str) Verification ID
          :Kwargs:
            * *reason*: (str) Reason for cancelling the verification
  
          :Returns: None