old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  ###############################################################################
  #
  # Library: pydas
  #
  # Copyright 2010 Kitware, Inc., 28 Corporate Dr., Clifton Park, NY 12065, USA.
  # All rights reserved.
  #
  # 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.
  #
  ###############################################################################
  
  communicator = None
  email = None
  api_key = None
  application = None
  token = None
  item_upload_callbacks = []
  basic_auth = None
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  ###############################################################################
  #
  # Library: pydas
  #
  # Copyright 2010 Kitware, Inc., 28 Corporate Dr., Clifton Park, NY 12065, USA.
  # All rights reserved.
  #
  # 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.
  #
  ###############################################################################
  
  communicator = None
  email = None
  api_key = None
  application = None
  token = None
  item_upload_callbacks = []
  
subject: Remove redundant sesson variable