How to Reproduce
Commit a simple update in git submodule and try to view the change in trac.
Python Traceback
Most recent call last:
File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 522, in _dispatch_request
dispatcher.dispatch(req)
File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 243, in dispatch
resp = chosen_handler.process_request(req)
File "/usr/lib/python2.7/dist-packages/trac/versioncontrol/web_ui/changeset.py", line 352, in process_request
self._render_html(req, repos, chgset, restricted, xhr, data)
File "/usr/lib/python2.7/dist-packages/trac/versioncontrol/web_ui/changeset.py", line 586, in _render_html
diff_bytes += _estimate_changes(old_node, new_node)
File "/usr/lib/python2.7/dist-packages/trac/versioncontrol/web_ui/changeset.py", line 537, in _estimate_changes
return old_size + new_size