old_contents: # -*- coding: utf-8 -*-
  # Copyright 2015 OpenMarket Ltd
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from twisted.web.resource import Resource
  from twisted.web.server import NOT_DONE_YET
  
  import synapse.metrics
  
  
  METRICS_PREFIX = "/_synapse/metrics"
  
  
  class MetricsResource(Resource):
      isLeaf = True
  
      def __init__(self, hs):
          Resource.__init__(self)  # Resource is old-style, so no super()
  
          self.hs = hs
  
      def render_GET(self, request):
          response = synapse.metrics.render_all()
  
          request.setHeader("Content-Type", "text/plain")
          request.setHeader("Content-Length", str(len(response)))
  
          # Encode as UTF-8 (default)
          return response.encode()
  
new_contents: # -*- coding: utf-8 -*-
  # Copyright 2015 OpenMarket Ltd
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from twisted.web.resource import Resource
  
  import synapse.metrics
  
  
  METRICS_PREFIX = "/_synapse/metrics"
  
  
  class MetricsResource(Resource):
      isLeaf = True
  
      def __init__(self, hs):
          Resource.__init__(self)  # Resource is old-style, so no super()
  
          self.hs = hs
  
      def render_GET(self, request):
          response = synapse.metrics.render_all()
  
          request.setHeader("Content-Type", "text/plain")
          request.setHeader("Content-Length", str(len(response)))
  
          # Encode as UTF-8 (default)
          return response.encode()
  
subject: Delete unused import of NOT_READY_YET