new_contents: # -*- coding: utf-8 -*-
  # Licensed to the StackStorm, Inc ('StackStorm') under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You 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.
  
  import os
  
  from pip.req import parse_requirements
  
  __all__ = [
      'fetch_requirements',
      'apply_vagrant_workaround'
  ]
  
  
  def fetch_requirements(requirements_file_path):
      """
      Return a list of requirements and links by parsing the provided requirements file.
      """
      links = []
      reqs = []
      for req in parse_requirements(requirements_file_path, session=False):
          if req.link:
              links.append(str(req.link))
          reqs.append(str(req.req))
      return (reqs, links)
  
  
  def apply_vagrant_workaround():
      """
      Function which detects if the script is being executed inside vagrant and if it is, it deletes
      "os.link" attribute.
      Note: Without this workaround, setup.py sdist will fail when running inside a shared directory
      (nfs / virtualbox shared folders).
      """
      if os.environ.get('USER', None) == 'vagrant':
          del os.link
  
subject: Add missing file.