Don't fail to render a datagrid for objects without get_absolute_url().
Review Request #7276 — Created May 1, 2015 and submitted
A recent change for better responsive UI support in datagrids made the assumption that objects always have a get_absolute_url() method. This isn't always the case, though. Now, if that method is missing, we simply return None.
Unit tests pass.
Tool: PEP8 Style Checker Processed Files: djblets/datagrid/grids.py Tool: Pyflakes Processed Files: djblets/datagrid/grids.py