def init_compare():
 print 'Initializing comparison feature'
 subprocess.Popen(['hg', 'clone', '..', 'a']).wait()
 subprocess.Popen(['hg', 'clone', '..', 'b']).wait()

def init_compare ( ) : print 'Initializing comparison feature' subprocess . Popen ( [ 'hg' , 'clone' , '..' , 'a' ] ) . wait ( ) subprocess . Popen ( [ 'hg' , 'clone' , '..' , 'b' ] ) . wait ( )
initializes the comparison feature .