Can't install via easy_install3

[PanderOpenTaal]

Can't install via easy_install3

$ sudo easy_install3 rikeripsum Searching for rikeripsum Reading https://pypi.python.org/simple/rikeripsum/ Download error on https://pypi.python.org/simple/rikeripsum/: [Errno -2] Name or service not known -- Some packages may not be found! Couldn't find index page for 'rikeripsum' (maybe misspelled?) Scanning index of all packages (this may take a while) Reading https://pypi.python.org/simple/ Download error on https://pypi.python.org/simple/: [Errno -2] Name or service not known -- Some packages may not be found! No local packages or download links found for rikeripsum error: Could not find suitable distribution for Requirement.parse('rikeripsum')

How can this be fixed?