Stuff

# === mod1.py ===from mod2 import xdef z():     y = x()     print y.sz()# === mod2.py ===from mod3 import wfrom foo import barclass x(object):    def __init__(self):        self.s = "HELLO"bar.connect(x, w)# === mod3.py ===from mod2 import xfrom foo import barclass w(object):    def __init__(self):        self.z = "SDFD"bar.connect(w, x)