def shortcut(self, x):
    if self.mode:
        x = self.mode(x)
    if self.learnable_sc:
        x = self.c_sc(x)
    return x
def shortcut(self, x):
    if self.mode:
        x = self.mode(x)
    if self.learnable_sc:
        x = self.c_sc(x)
    return x