def pop(self):
        ident = get_ident()
        stack = self._stack.get(ident, None)
        if stack is None:
            return None
        elif len(stack) == 1:
            self._stack.pop(ident, None)
            return stack[-1]
        else:
            return stack.pop()
Removes the topmost item from the stack, will return the
dataset/ETHPy150Open zeaphoo/cocopot/cocopot/local.py/LocalStack.pop