code: def get_platforms_set():
      '''Returns set of all possible platforms'''
      # arch and mageia are not in Py2 _supported_dists, so we add them manually
      # Ubuntu adds itself to the list on Ubuntu
      platforms = set([x.lower() for x in platform._supported_dists])
      platforms |= set(['darwin', 'arch', 'mageia', 'ubuntu'])
      return platformf get_platforms_set():
      '''Returns set of all possible platforms'''
      # arch and mageia are not in Py2 _supported_dists, so we add them manually
      # Ubuntu adds itself to the list on Ubuntu
      platforms = set([x.lower() for x in platform._supported_dists])
      platforms |= set(['darwin', 'arch', 'mageia', 'ubuntu'])
      return platforms
docs: Returns set of all possible platforms