If lat/lon don't exist then set location to None instead of leaving it unassigned.
If lat/lon don't exist then set location to None instead of leaving it unassigned.

critzo/piecewise,opentechinstitute/piecewise,opentechinstitute/piecewise,opentechinstitute/piecewise,critzo/piecewise,critzo/piecewise,opentechinstitute/piecewise,critzo/piecewise