hmarr/mongoengine — pull request #335 by wpjunior (2011-10-27 10:13:59+00:00)
Title: get_or_create optizations

In some cases this error was happening:
http://img809.imageshack.us/img809/7906/screenshotat20111027060.png
http://img853.imageshack.us/img853/7274/screenshotat20111027061.png

after this patch the error disappears completely