def test_cp20603():
 import os
 for (root, files, dirs) in os.walk(''):
  for f in files:
   temp = os.path.join(root, f)

def test_cp20603 ( ) : import os for ( root , files , dirs ) in os . walk ( '' ) : for f in files : temp = os . path . join ( root , f )
just ensure this does not throw a valueerror .