Chen Yudong fa270d72c7 ci: using python3 to tun target test %!s(int64=4) %!d(string=hai) anos
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__init__.py bfa9610f58 tools: Fix the Python coding style %!s(int64=7) %!d(string=hai) anos
convenience.py fa270d72c7 ci: using python3 to tun target test %!s(int64=4) %!d(string=hai) anos