Attempting to use rabbitvcs-nautilus RPM for RabbitVCS integration into Nautilus, the following error is thrown in ~/.xsession-errors:

Traceback (most recent call last):
  File "/usr/lib/nautilus/extensions-2.0/python/RabbitVCS.py", line 75, in <module>
    import rabbitvcs.ui.property_page
  File "/usr/lib/python2.6/site-packages/rabbitvcs/ui/property_page.py", line 29, in <module>
    from rabbitvcs.services.checkerservice import StatusCheckerStub as StatusChecker
  File "/usr/lib/python2.6/site-packages/rabbitvcs/services/checkerservice.py", line 48, in <module>
    import simplejson
ImportError: No module named simplejson


Version-Release number of selected component (if applicable):

rabbitvcs-nautilus-0.14.2.1-4.el6.i686

Steps to Reproduce:
1. Install rabbitvcs-nautilus RPM on system without python-simplejson installed and log out and log back in again.
3. Note that RabbitVCS context menus, emblems, and file properties tab are not displayed while browsing a known SVN workspace, and that above error is in ~/.xsession-errors.
4. Install python-simplejson RPM and log out and log back in again.
5. Note that RabbitVCS context menus, emblems, and file properties tab are now displayed for same SVN workspace, and that ~/.xsession-errors does not contain the above error messages.