AttributeError: 'NoneType' object has no attribute 'core' Traceback (most recent call last): File "run_benchmarks.py", line 98, in find_benchmarks module = __import__(abs_module_name, fromlist="dummy") File "/Users/ogrisel/code/python-benchmarks/arc_distance/arc_distance_numba.py", line 5, in from numba import autojit File "/usr/local/lib/python2.7/site-packages/numba/__init__.py", line 18, in from numba import utils, typesystem File "/usr/local/lib/python2.7/site-packages/numba/utils.py", line 102, in context = get_minivect_context() File "/usr/local/lib/python2.7/site-packages/numba/utils.py", line 100, in get_minivect_context return NumbaContext() File "/usr/local/lib/python2.7/site-packages/numba/minivect/miniast.py", line 140, in __init__ self.llvm_module = llvm.core.Module.new('default_module') AttributeError: 'NoneType' object has no attribute 'core'