old_contents: from .helper_functions import *
  from .connectors import *
new_contents: from .helper_functions import (parse_filename, extract_month_updates,
                                 parse_coverage_month, coverage_to_csv)
  from .connectors import (GithubConnector, S3Connector, BaltradFTPConnector,
                           BaltradToS3, LocalToS3)
subject: update imports