error in importing EquatorialCoordinatesEquinox

[dinilbose]

If I try to import EquatorialCoordinatesEquinox its showing an error

from astropysics.coords.coordsys import EquatorialCoordinatesEquinox
Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python2.7/dist-packages/Astropysics-1.1.dev-py2.7.egg/astropysics/coords/init.py", line 122, in
from ephems import *
File "/usr/local/lib/python2.7/dist-packages/Astropysics-1.1.dev-py2.7.egg/astropysics/coords/ephems.py", line 996, in
_earth_series_coeffs = _load_earth_series()
File "/usr/local/lib/python2.7/dist-packages/Astropysics-1.1.dev-py2.7.egg/astropysics/coords/ephems.py", line 970, in _load_earth_series
res[k] = mat.reshape(sqrt(mat.size),sqrt(mat.size))
TypeError: 'float' object cannot be interpreted as an index