$ pip install hash_ring==1.3
Downloading/unpacking hash-ring==1.3
Running setup.py egg_info for package hash-ring
Traceback (most recent call last):
File "<string>", line 16, in <module>
File "/home/.../.virtualenvs/..../build/hash-ring/setup.py", line 9, in <module>
import ez_setup
ImportError: No module named ez_setup
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 16, in <module>
File "/home/..../.virtualenvs/..../build/hash-ring/setup.py", line 9, in <module>
import ez_setup
ImportError: No module named ez_setup