old_contents: """
  @file
  @brief Shortcuts to datasource
  """
  
  from .data_velib import DataVelibCollect
  from .convert import dBase2df, dBase2sqllite
  from .http_retrieve import download_data, DownloadDataException
  
new_contents: """
  @file
  @brief Shortcuts to datasource
  """
  
  from .convert import dBase2df, dBase2sqllite
  from .http_retrieve import download_data, DownloadDataException
  
subject: remove import on removed files