ImportError: No module named hprainbow

[cjordan]

Hi, just installed this package, and the title says it all:

$ ipython2
Python 2.7.11 (default, Mar 31 2016, 06:18:34)
Type "copyright", "credits" or "license" for more information.

IPython 4.2.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import cygrid
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-1-71adc91511bd> in <module>()
----> 1 import cygrid

/usr/lib/python2.7/site-packages/cygrid/__init__.py in <module>()
      1 from .cygrid import *
      2 from .healpix import *
----> 3 from .hprainbow import *
      4 from .helpers import *
      5

ImportError: No module named hprainbow

I assume the relevant file is not on the public git repo?