Fix a test expression that has a logical short circuit. (#2046)

Comment: Fixed a test expression that has a logical short circuit.

Co-authored-by: rangoliu <[email protected]>

mmagic/models/editors/stylegan2/stylegan2_discriminator.py

@@ -254,7 +254,7 @@ def __init__(self, in_size, *args, data_aug=None, **kwargs):
                 augmentation. Defaults to None.
         """
         super().__init__(in_size, *args, **kwargs)
-        self.with_ada = data_aug is not None and data_aug is not dict()
+        self.with_ada = data_aug is not None and data_aug != dict()
         if self.with_ada:
             self.ada_aug = MODELS.build(data_aug)
             self.ada_aug.requires_grad = False