old_contents: # Copyright 2013 Donald Stufft
  #
  # 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 __future__ import absolute_import, division, print_function
  from __future__ import unicode_literals
  
  from werkzeug.routing import Rule, EndpointPrefix
  
  urls = [
      EndpointPrefix("warehouse.packaging.views.", [
          Rule(
              "/projects/<project_name>/",
              methods=["GET"],
              endpoint="project_detail",
          ),
          Rule(
              "/projects/<project_name>/<version>/",
              methods=["GET"],
              endpoint="project_detail",
          ),
      ]),
  ]
  
new_contents: # Copyright 2013 Donald Stufft
  #
  # 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 __future__ import absolute_import, division, print_function
  from __future__ import unicode_literals
  
  from werkzeug.routing import Rule, EndpointPrefix
  
  urls = [
      EndpointPrefix("warehouse.packaging.views.", [
          Rule(
              "/project/<project_name>/",
              methods=["GET"],
              endpoint="project_detail",
          ),
          Rule(
              "/project/<project_name>/<version>/",
              methods=["GET"],
              endpoint="project_detail",
          ),
      ]),
  ]
  
subject: Remove the plural from the url