Changelog

Fixed

• Fixed PostgreSQL cluster URL parsing with bracketed IPv6 hosts in recent
  Python versions, preventing failures in runtime URL parsing and related
  regression tests
  #574 <https://github.com/joke2k/django-environ/issues/574>_.
• Fixed debug logging in Env.get_value() to avoid evaluating lazy default
  objects when DEBUG logging is enabled
  #571 <https://github.com/joke2k/django-environ/issues/571>_.