code: def get_con_pool(host,
                   key_file=None,
                   cert_file=None,
                   socket_timeout=15.0,
                   max_pool_size=3,
                   verify_https=True):
      
      kwargs = {
          "timeout": socket_timeout,
          "maxsize": max_pool_size,
          "block": True,
          }
  
      if key_file is not None and cert_file is not None:
          kwargs["key_file"] = key_file
          kwargs["cert_file"] = cert_file
  
      if urlparse(host).scheme == "https":
          kwargs["ssl_version"] = ssl.PROTOCOL_TLSv1
          if verify_https:
              kwargs["cert_reqs"] = "CERT_REQUIRED"
              kwargs["ca_certs"] = getattr(settings, "RESTCLIENTS_CA_BUNDLE",
                                           "/etc/ssl/certs/ca-bundle.crt")
  
      return connection_from_url(host, **kwargs)
docs: Return a ConnectionPool instance of given host
      :param socket_timeout:
          socket timeout for each connection in seconds