upload error FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/contrib/eflash_loader_40m.bin'

[alberiolima]

FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/contrib/eflash_loader_40m.bin'

solved
sudo mkdir /usr/bin/contrib/
sudo chmod 777 /usr/bin/contrib/
cp ~/.arduino15/packages/bouffalo/tools/flasher/0.0.1/contrib/* /usr/bin/contrib/