def unmanagedDLL():
 twain = (Environment.GetEnvironmentVariable('SystemRoot') + '\\twain.dll')
 File.Copy(twain, (DLLS_DIR + '\\twain.dll'))

def unmanagedDLL ( ) : twain = ( Environment . GetEnvironmentVariable ( 'SystemRoot' ) + '\\twain.dll' ) File . Copy ( twain , ( DLLS_DIR + '\\twain.dll' ) )
places an unmanaged dll inside dlls .