support new situation

x2paddle/op_mapper/tf_op_mapper.py

@@ -170,7 +170,28 @@ class TFOpMapper(OpMapper):
                 x_shape = y.out_shapes[0]
                 y_shape = x.out_shapes[0]
             else:
-                raise Exception("Unexpected situation happend")
+                if len(x_shape) == 1 and len(y_shape) == 4 and x_shape[
+                        0] == y_shape[-1] and y_shape.count(-1) < 1:
+                    shape = [1, x_shape[0], 1, 1]
+                    attr = {"shape": shape}
+                    node.fluid_code.add_layer("reshape",
+                                              inputs=x_input,
+                                              output="reshape_x",
+                                              param_attr=attr)
+                    if y_shape[0] != 1:
+                        attr = {"expand_times": [y_shape[0], 1, 1, 1]}
+                        node.fluid_code.add_layer("expand",
+                                                  inputs="reshape_x",
+                                                  output="reshape_x",
+                                                  param_attr=attr)
+                    inputs = {"x": "reshape_x", "y": y_input}
+                    node.fluid_code.add_layer(op_type,
+                                              inputs=inputs,
+                                              output=node,
+                                              param_attr=None)
+                    return
+                else:
+                    raise Exception("Unexpected situation happend")
 
         if len(x_shape) == 4 and len(y_shape) == 1:
             if x_input.tf_data_format == "NHWC":