树莓派装pandas
https://www.piwheels.org/simple/pandas/pandas-1.0.3-cp37-cp37m-linux_armv7l.whl
pip3 install PyAudio-0.2.11-cp37-cp37m-win_amd64.whl
https://www.piwheels.org/simple/pandas/pandas-1.0.3-cp37-cp37m-linux_armv7l.whl
pip3 install PyAudio-0.2.11-cp37-cp37m-win_amd64.whl