content: os = __import__("os")
  pickle = __import__("pickle")
  sys = __import__("sys")
  subprocess = __import__("subprocess")
  
  # this has been reported in the wild, though it's invalid python
  # see bug https://bugs.launchpad.net/bandit/+bug/1396333
  __import__()
  
  # TODO(??): bandit can not find this one unfortunately (no symbol tab)
  a = 'subprocess'
  __import__(a)
  