【dy2st】modify tanspose api case (#68688)

Author: xiaoguoguo626807

paddle/fluid/pybind/pir.cc

@@ -1856,7 +1856,9 @@ SplitedResult SplitForwardBackward(
                              backward_range);
 
   pir::Block &backward_block = *backward_program->block();
-  bool has_backward = (backward_range[1] > backward_range[0]);
+  bool has_backward = forward_inputs_grads.size() > 0 ||
+                      forward_params_grads.size() > 0 ||
+                      forward_outputs_grads.size() > 0;
 
   // forward program construct.
   VLOG(4) << "start create forward program.";