Add zip_safe=False since we need to use data files.

setup.py

@@ -60,18 +60,12 @@
         'Programming Language :: Python :: 3.6',
     ],
 
-    # What does your project relate to?
-    keywords='accelerator physics development',
+    keywords='accelerator physics',
 
-    # You can just specify the packages manually here if your project is
-    # simple. Or you can use find_packages().
-    # packages=find_packages['pytac', 'test']),
     packages=['pytac'],
+    # We need to use files from inside the package, so don't zip
     include_package_data=True,
-
-    # Alternatively, if you want to distribute just a my_module.py, uncomment
-    # this:
-    #   py_modules=["my_module"],
+    zip_safe=False,
 
     # List run-time dependencies here.  These will be installed by pip when
     # your project is installed. For an analysis of "install_requires" vs pip's