Could not parse output from pip


#1

What is the problem?
Hi, i have 4 units raspberry pi model b+ in the same LAN, now im trying to install plugins but im getting this message, anyone knows how to fix it? I cant install any plugin

"Installing plugin "Octolapse" from https://github.com/FormerLurker/Octolapse/archive/master.zip...
/home/pi/oprint/bin/python2 -m pip install https://github.com/FormerLurker/Octolapse/archive/master.zip --no-cache-dir
Collecting https://github.com/FormerLurker/Octolapse/archive/master.zip
Downloading https://github.com/FormerLurker/Octolapse/archive/master.zip
Requirement already satisfied: OctoPrint in /home/pi/oprint/lib/python2.7/site-packages (from Octolapse==0.3.1)
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /simple/pillow/
Collecting Pillow (from Octolapse==0.3.1)
Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /simple/pillow/
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /simple/pillow/
Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /simple/pillow/
Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /simple/pillow/
Could not find a version that satisfies the requirement Pillow (from Octolapse==0.3.1) (from versions: )
No matching distribution found for Pillow (from Octolapse==0.3.1)
You are using pip version 9.0.3, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Error!
Could not parse output from pip, see plugin_pluginmanager_console.log for generated output"