code: def sign(self, url, endpoint, endpoint_path, method_verb, *args, **kwargs):
          
          url = self.uri
  
          return url, {'params': {'test_param': "authenticated_chimichanga"}}
docs: Dummy Signature creation method. Override this in child.
          URL is required to be returned, as some Signatures use the url for
          sig generation, and api calls made must match the address exactly.
          param url: self.uri + self.version + endpoint (i.e https://api.kraken/0/Depth)
          param endpoint: api endpoint to call (i.e. 'Depth')
          param endpoint_path: self.version + endpoint (i.e. '0/Depth')
          param method_verb: valid request type (PUT, GET, POST etc)
          param return: