Fix bert error in SOT (#6942)

* Fix bert error in SOT

* Format code

* Format code

Author: 0x45f

paddlenlp/transformers/model_outputs.py

@@ -356,6 +356,8 @@ def _transformer_encoder_fwd(
     )
 
 
+_transformer_encoder_fwd.__name__ = "forward"
+_transformer_encoder_layer_fwd.__name__ = "forward"
 # patches of paddle.nn.Transformer to get all hidden_states and attentions
 paddle.nn.TransformerEncoderLayer.forward = _transformer_encoder_layer_fwd
 paddle.nn.TransformerDecoderLayer.forward = _transformer_decoder_layer_fwd

paddlenlp/transformers/utils.py

@@ -141,7 +141,9 @@ def adapt_stale_fwd_patch(self, name, value):
         # NOTE(guosheng): In dygraph to static, `layer.forward` would be patched
         # by an instance of `StaticFunction`. And use string compare to avoid to
         # import fluid.
-        if type(value).__name__.endswith("StaticFunction"):
+        if type(value).__name__.endswith("StaticFunction") or self.forward.__class__.__name__.endswith(
+            "StaticFunction"
+        ):
             return value
         if hasattr(inspect, "getfullargspec"):
             (