Fix weight sharing in Transformer inference

fluid/neural_machine_translation/transformer/config.py

@@ -98,7 +98,7 @@ def merge_cfg_from_list(cfg_list, g_cfgs):
             if hasattr(g_cfg, key):
                 try:
                     value = eval(value)
-                except SyntaxError:  # for file path
+                except Exception:  # for file path
                     pass
                 setattr(g_cfg, key, value)
                 break

fluid/neural_machine_translation/transformer/infer.py

@@ -308,7 +308,7 @@ def infer(args):
             ModelHyperParams.n_layer, ModelHyperParams.n_head,
             ModelHyperParams.d_key, ModelHyperParams.d_value,
             ModelHyperParams.d_model, ModelHyperParams.d_inner_hid,
-            ModelHyperParams.dropout)
+            ModelHyperParams.dropout, ModelHyperParams.weight_sharing)
 
     decoder_program = fluid.Program()
     with fluid.program_guard(main_program=decoder_program):
@@ -317,7 +317,7 @@ def infer(args):
             ModelHyperParams.n_layer, ModelHyperParams.n_head,
             ModelHyperParams.d_key, ModelHyperParams.d_value,
             ModelHyperParams.d_model, ModelHyperParams.d_inner_hid,
-            ModelHyperParams.dropout)
+            ModelHyperParams.dropout, ModelHyperParams.weight_sharing)
 
     # Load model parameters of encoder and decoder separately from the saved
     # transformer model.