class Faraday::Adapter::NetHttp

def create_request(env)
  request = Net::HTTPGenericRequest.new \
    env[:method].to_s.upcase,    # request method
    !!env[:body],                # is there request body
    :head != env[:method],       # is there response body
    env[:url].request_uri,       # request uri path
    env[:request_headers]        # request headers
  if env[:body].respond_to?(:read)
    request.body_stream = env[:body]
  else
    request.body = env[:body]
  end
  request
end