broadcast handle not inited parameter

paddle/fluid/framework/details/broadcast_op_handle.cc

@@ -52,6 +52,10 @@ void BroadcastOpHandle::RunImpl() {
       var_scopes.at(in_var_handle->scope_idx_)->FindVar(in_var_handle->name_);
   PADDLE_ENFORCE_NOT_NULL(in_var);
   Tensor &in_tensor = VariableVisitor::GetMutableTensor(in_var);
+  if (!in_tensor.IsInitialized()) {
+    VLOG(3) << "in var " << in_var_handle->name_ << "not inited, return!";
+    return;
+  }
 
   InitOutputValue(*in_var_handle, out_var_handles);
 

paddle/fluid/framework/parallel_executor.cc

@@ -179,6 +179,10 @@ void ParallelExecutor::BCastParamsToDevices(
     }
 
     auto &main_tensor = main_var->Get<LoDTensor>();
+    if (!main_tensor.IsInitialized()) {
+      VLOG(3) << "one in var not inited, return!";
+      continue;
+    }
     auto &dims = main_tensor.dims();
     if (paddle::platform::is_gpu_place(main_tensor.place())) {
 #ifdef PADDLE_WITH_CUDA