old_contents: """App Engine configuration file."""
  
  import os
  import re
  import sys
  
  # append 'mimic' directory to sys.path
  sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'mimic'))
  
  from __mimic import common
  from __mimic import datastore_tree
  from __mimic import mimic
  
  import caching_urlfetch_tree
  import settings
  
  from google.appengine.api import app_identity
  
  
  # our current app id
  app_id = app_identity.get_application_id()
  
  urlfetch_tree_SOURCE_CODE_APP_ID = settings.PLAYGROUND_APP_ID
  
  if common.IsDevMode() or urlfetch_tree_SOURCE_CODE_APP_ID == app_id:
    mimic_CREATE_TREE_FUNC = datastore_tree.DatastoreTree
  else:
    mimic_CREATE_TREE_FUNC = caching_urlfetch_tree.CachingUrlFetchTree
  
  mimic_NAMESPACE = '_playground'
  
  mimic_PROJECT_ID_QUERY_PARAM = '_mimic_project'
  
  mimic_PROJECT_ID_FROM_PATH_INFO_RE = re.compile('/playground/p/(.+?)/')
  
  
  # pylint: disable-msg=C6409
  def namespace_manager_default_namespace_for_request():
    return mimic.GetNamespace()
  
new_contents: """App Engine configuration file."""
  
  import os
  import re
  import sys
  
  # append 'mimic' directory to sys.path
  DIRNAME = os.path.dirname(os.path.abspath(__file__)
  sys.path.append(os.path.join(DIRNAME, 'mimic'))
  
  from __mimic import common
  from __mimic import datastore_tree
  from __mimic import mimic
  
  import caching_urlfetch_tree
  import settings
  
  from google.appengine.api import app_identity
  
  
  # our current app id
  app_id = app_identity.get_application_id()
  
  urlfetch_tree_SOURCE_CODE_APP_ID = settings.PLAYGROUND_APP_ID
  
  if common.IsDevMode() or urlfetch_tree_SOURCE_CODE_APP_ID == app_id:
    mimic_CREATE_TREE_FUNC = datastore_tree.DatastoreTree
  else:
    mimic_CREATE_TREE_FUNC = caching_urlfetch_tree.CachingUrlFetchTree
  
  mimic_NAMESPACE = '_playground'
  
  mimic_PROJECT_ID_QUERY_PARAM = '_mimic_project'
  
  mimic_PROJECT_ID_FROM_PATH_INFO_RE = re.compile('/playground/p/(.+?)/')
  
  
  # pylint: disable-msg=C6409
  def namespace_manager_default_namespace_for_request():
    return mimic.GetNamespace()
  
subject: split long line