!12917 fix AvgPoolGrad in GPU-Pynative

From: @yuchaojie
Reviewed-by: @zhoufeng54,@jjfeing
Signed-off-by: @jjfeing

mindspore/ccsrc/backend/optimizer/pass/const_input_to_attr_registry.cc

@@ -25,7 +25,6 @@ namespace mindspore {
 namespace opt {
 ConstInputToAttrInfoRegistry::ConstInputToAttrInfoRegistry() {
   Register(prim::kPrimCast->name(), {1});
-  Register(prim::kPrimAvgPoolGrad->name(), {0});
   Register(prim::kPrimAvgPoolGradVm->name(), {0});
   Register(prim::kPrimConv2DBackpropInput->name(), {2});
   Register(prim::kPrimConv2DBackpropFilter->name(), {2});

mindspore/nn/layer/normalization.py

@@ -94,7 +94,7 @@ class _BatchNorm(Cell):
                         SYNC_BN_GROUP_NAME = "sync_bn_group"+ str(i)
                         management.create_group(SYNC_BN_GROUP_NAME, self.rank_list[i])
         # for SyncBatchNorm
-        if self.process_groups != 0 and self.parallel_mode != context.ParallelMode.STAND_ALONE:
+        if self.process_groups != 0:
             self.rank_id = get_rank()
             self.rank_size = get_group_size()
             if self.process_groups is not None: