docs: def disable_key(self):
          """Disable an existing API Key."""
          print("This command will disable a enabled key.")
          apiKeyID = input("API Key ID: ")
          try:
              key = self._curl_bitmex("/apiKey/disable",
                                      postdict={"apiKeyID": apiKeyID})
              print("Key with ID %s disabled." % key["id"])
          except:
              print("Unable to disable key, please try again.")
              self.disable_key()