old_contents: __version__ = '0.0.6'
  default_app_config = 'pbf_file_size_estimation.apps.PBFFileSizeEstimationConfig'
  
new_contents: __version__ = '0.0.7'
  default_app_config = 'pbf_file_size_estimation.apps.PBFFileSizeEstimationConfig'
  
subject: bump version to 0.0.7