Debug Python Script

Trying to get this up and running on a virtual machine: https://github.com/meetar/dotmap

Virtual environment is setup and able to retrieve the .zip when running makedots.py but get an empty .db and this:
Traceback (most recent call last):
File "makedots.py", line 217, in
main( "../tmp/tabblock2010_%s_pophu.shp"%state, "../data/people.%s.db"%state )
File "makedots.py", line 156, in main
bbox = get_bbox( geom )
File "makedots.py", line 26, in get_bbox
pts = bd.GetPoints()
File "/usr/lib/python2.7/dist-packages/osgeo/ogr.py", line 2927, in
__getattr__ = lambda self, name: _swig_getattr(self, Geometry, name)
File "/usr/lib/python2.7/dist-packages/osgeo/ogr.py", line 55, in _swig_getattr
raise AttributeError(name)
AttributeError: GetPoints