fix distribute transpiler to optimize selected rows

paddle/fluid/framework/operator.cc

@@ -679,6 +679,8 @@ void OperatorWithKernel::RunImpl(const Scope& scope,
       if (var == nullptr) continue;
       if (var->IsType<framework::LoDTensor>()) {
         CheckTensorNANOrInf(vname, var->Get<framework::LoDTensor>());
+      } else if (var->IsType<framework::SelectedRows>()) {
+        CheckTensorNANOrInf(vname, var->Get<framework::SelectedRows>().value());
       }
     }
   }

python/paddle/fluid/transpiler/distribute_transpiler.py

@@ -494,6 +494,7 @@ class DistributeTranspiler(object):
             pserver_index = self.pserver_endpoints.index(endpoint)
             table_opt_block = self._create_table_optimize_block(
                 pserver_index, pserver_program, pre_block_idx, grad_to_block_id)
+            optimize_blocks.append(table_opt_block)
             prefetch_var_name_to_block_id = self._create_prefetch_block(
                 pserver_index, pserver_program, table_opt_block)
             checkpoint_block_id = self._create_checkpoint_save_block(