trying to improve online docs rendering

1 job for master in 12 minutes and 23 seconds
Name Stage Failure
failed
pages Deploy
        print 'installing data to', datapath
^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print('installing data to', datapath)?
----------------------------------------
WARNING: Discarding https://files.pythonhosted.org/packages/09/1a/1015c9ec4b8b13b6c6edfa3fa3d2f0e05860f80414c7d80ccfc7787f1220/matplotlib-0.86.tar.gz#sha256=67e9c4d076c5920125ee5e85c654b3e00c81bceed1b8b2ec431e8133045093d9 (from https://pypi.org/simple/matplotlib/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
ERROR: Could not find a version that satisfies the requirement matplotlib
ERROR: No matching distribution found for matplotlib
Cleaning up file based variables
ERROR: Job failed: exit code 1