Use topas2numpy package

Author: davidchall

nrtest/result/topas.py

@@ -1,6 +1,6 @@
 # third party imports
 from numpy.testing import assert_allclose
-from topas_result import read_ntuple, BinnedResult
+from topas2numpy import read_ntuple, BinnedResult
 
 # project imports
 from .factory import register, BaseResult

setup.py

@@ -20,6 +20,7 @@
         'six',
         'psutil>=2.0',
         'numpy>=1.6.0',
+        'topas2numpy',
     ],
 
     # metadata for upload to PyPI