Could not find suitable distribution for Requirement.parse('redis')

[yunfeng79]

redis-rdb-tools-rdbtools-0.1.15]# python setup.py install
rdbtools.cli.redis_profiler: module references file
creating dist
creating 'dist/rdbtools-0.1.15-py2.7.egg' and adding 'build/bdist.linux-x86_64/egg' to it
removing 'build/bdist.linux-x86_64/egg' (and everything under it)
Processing rdbtools-0.1.15-py2.7.egg
creating /usr/lib/python2.7/site-packages/rdbtools-0.1.15-py2.7.egg
Extracting rdbtools-0.1.15-py2.7.egg to /usr/lib/python2.7/site-packages
Adding rdbtools 0.1.15 to easy-install.pth file
Installing redis-memory-for-key script to /usr/bin
Installing redis-profiler script to /usr/bin
Installing rdb script to /usr/bin

Installed /usr/lib/python2.7/site-packages/rdbtools-0.1.15-py2.7.egg
Processing dependencies for rdbtools==0.1.15
Searching for redis
Reading https://pypi.python.org/simple/redis/
Couldn't find index page for 'redis' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
No local packages or download links found for redis
error: Could not find suitable distribution for Requirement.parse('redis')

[gongruiyang]

I have this issue too, how do you fix this?