Chief Delphi - help with installing robotpy

hello, I'm trying to install robotpy, but it doesn't work.. I downloaded the zip file, and I run this command

Code:

python installer.py install-robotpy

but I get this error

Code:

C:\robotpty1\1\1\robotpy-2017.0.4>

C:\robotpty1\1\robotpy-2017.0.4>python installer.py install-robotpy

Copying over the opkg cache...

Looking up hostname roborio-3034-frc.local ...

Connecting to robot via SSH at roborio-3034-frc.local

Copying over the pip cache...

Running installation...

Done.

python36 - 3.6.0-r1

python36 already installed, continuing...

Installing netconsole-host (1.0) on root.

Collected errors:

 * check_data_file_clashes: Package netconsole-host wants to install file /usr/local/frc/bin/netconsole-host

        But that file is already provided by package  * netconsole-launcher

 * opkg_install_cmd: Cannot install package netconsole-host.

Command '['C:\\robotpty1\\1\\1\\robotpy-2017.0.4\\win32\\plink.exe', '-pw', '', 'admin@roborio-3034-frc.local', 'bash opkg_cache/install_opkg.sh && /usr/local/bin/pip3 install --no-index --find-links=pip_cache --pre --upgrade wpilib robotpy-hal-base robotpy-hal-roborio robotpy-wpilib-utilities']' returned non-zero exit status 255.



C:\robotpty1\1\robotpy-2017.0.4>

(thats the only command that I tried)
how can I fix that ?
Thanks in advance