Update tf_op_mapper.py

x2paddle/op_mapper/tf_op_mapper.py

@@ -718,7 +718,7 @@ class TFOpMapper(OpMapper):
         if input.tf_data_format == "NHWC":
             if len(input.out_shapes[0]) == 4:
                 expand_times = [expand_times[i] for i in [0, 3, 1, 2]]
-            elif len(input.out_shape[0]) == 3:
+            elif len(input.out_shapes[0]) == 3:
                 expand_times = [expand_times[i] for i in [2, 0, 1]]
         for i in range(len(expand_times)):
             if expand_times[i] < 0: