When I want to install grpcio-tools using command: python3 -m pip install grpcio-tools While on the other hand when I want to run pip3 install mysql-connector-python to install mysql-connector-python: What should I do for this incompatibility? whereis protoc protoc: /usr/local/bin/protoc pip show protobuf Name: protobuf Version: 3.20.1 Summary: Protocol Buffers Home-page: https://developers.google.com/protocol-buffers/ Author: None Author-email: None License: BSD-3-Clause Location: /home/lfathi/.local/lib/python3.8/site-packages Requires: Required-by: mysql-connector-python, grpcio-tools protoc --version libprotoc 3.2.0 which causes problem in running grpc Continue reading...