test.py

class Test:
    def __init__(self, param1):
        pass

    def func1(self, skus, quant):
        # Signature help for function 2 is not available
        self.func2(0, 0)
        return None

    def func2(self, items, orders):
        # Signature help for function 2 is available from this point only
        self.func1(0, 0)
        return None