Update test_train_inference_python.sh

fix a small bug

tests/test_tipc/test_train_inference_python.sh

@@ -20,10 +20,10 @@ train_use_gpu_value=$(func_parser_value "${lines[4]}")
 autocast_list=$(func_parser_value "${lines[5]}")
 autocast_key=$(func_parser_key "${lines[5]}")
 epoch_key=$(func_parser_key "${lines[6]}")
-epoch_num=$(func_parser_params "${lines[6]}" "${MODE}")
+epoch_num=`echo  "${lines[6]}" | tr -cd "[0-9]" `
 save_model_key=$(func_parser_key "${lines[7]}")
 train_batch_key=$(func_parser_key "${lines[8]}")
-train_batch_value=$(func_parser_params "${lines[8]}" "${MODE}")
+train_batch_value=`echo  "${lines[8]}" | tr -cd "[0-9]" `
 pretrain_model_key=$(func_parser_key "${lines[9]}")
 pretrain_model_value=$(func_parser_value "${lines[9]}")
 train_model_name=$(func_parser_value "${lines[10]}")
@@ -374,4 +374,4 @@ else
             done  # done with:    for trainer in ${trainer_list[*]}; do 
         done      # done with:    for autocast in ${autocast_list[*]}; do 
     done          # done with:    for gpu in ${gpu_list[*]}; do
-fi  # end if [ ${MODE} = "infer" ]; then
+fi  # end if [ ${MODE} = "infer" ]; then