old_contents: #
  # Copyright 2009 Facebook
  #
  # 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.
  
  """The Tornado web server and tools."""
  
  # version is a human-readable version number.
  
  # version_info is a four-tuple for programmatic comparison. The first
  # three numbers are the components of the version number.  The fourth
  # is zero for an official release, positive for a development branch,
  # or negative for a release candidate or beta (after the base version
  # number has been incremented)
  version = "6.2.dev1"
  version_info = (6, 2, 0, -100)
  
new_contents: #
  # Copyright 2009 Facebook
  #
  # 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.
  
  """The Tornado web server and tools."""
  
  # version is a human-readable version number.
  
  # version_info is a four-tuple for programmatic comparison. The first
  # three numbers are the components of the version number.  The fourth
  # is zero for an official release, positive for a development branch,
  # or negative for a release candidate or beta (after the base version
  # number has been incremented)
  version = "6.2b1"
  version_info = (6, 2, 0, -99)
  
subject: Set version number to 6.2b1