docs: def call(self, parameters):
          """ Call an endpoint given the parameters
  
          :param parameters: Dictionary of parameters
          :type parameters: dict
          :rtype: text
          """
          # DEV !
          parameters = {
              key: str(parameters[key]) for key in parameters if parameters[key] is not None
          }
          if self.inventory is not None and "inv" not in parameters:
              parameters["inv"] = self.inventory
  
          request = requests.get(self.endpoint, params=parameters)
          request.raise_for_status()
          if request.encoding is None:
              request.encoding = "utf-8"
          return request.text