def session_missing_tests(session):
 session.virtualenv = False
 print('The following samples do not have tests:')
 for sample in (set(ALL_SAMPLE_DIRECTORIES) - set(ALL_TESTED_SAMPLES)):
  print('* {}'.format(sample))

def session_missing_tests ( session ) : session . virtualenv = False print ( 'The following samples do not have tests:' ) for sample in ( set ( ALL_SAMPLE_DIRECTORIES ) - set ( ALL_TESTED_SAMPLES ) ) : print ( '* {}' . format ( sample ) )
lists all sample directories that do not have tests .