code: def offset_to_timezone(offset, now=None):
      
      now = now or datetime.now()
  
      # JS offsets are flipped, so unflip.
      user_offset = -offset
  
      # Helper: timezone offset in minutes
      def get_tz_offset(tz):
          try:
              return tz.utcoffset(now).total_seconds() / 60
          except (pytz.NonExistentTimeError, pytz.AmbiguousTimeError):
              return tz.localize(now, is_dst=False).utcoffset().total_seconds() / 60
  
      # Return the timezone with the minimum difference to the user's offset.
      return min(
          (pytz.timezone(tz_name) for tz_name in get_prioritized_timezones()),
          key=lambda tz: abs(get_tz_offset(tz) - user_offset),
      )
docs: Convert a minutes offset (JavaScript-style) into a pytz timezone
  
      The ``now`` parameter is generally used for testing only