Merge branch 'master' into grpc

Signed-off-by: ybyang <[email protected]>

Author: whybeyoung

pyWrapper.cpp

@@ -625,9 +625,9 @@ int callBack(Response *resp, char *usrTag) {
         printf("null cb....\n");
         return -1;
     }
+
     pDataList headPtr = nullptr;
     pDataList curPtr = nullptr;
-    int ret ;
     // 先判断python有没有抛出错误. response中的 errorCode
     if (resp->errCode != 0) {
         spdlog::get("stderr_console")->error("find error from python: {}", resp->errCode);