[1.0.X] Fixed #8055: Replaced use of traceback.format_exc (new in Python 2.4) with something that works as far back as 2.3.

Thanks to Ramiro for diagnosis and patch. 

Backport of r9770 from trunk.

Also updated svn metadata; all trunk bugfixes have been merged to the 1.0.X branch.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9772 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/loaddata.py

@@ -127,12 +127,12 @@ class Command(BaseCommand):
                                 transaction.rollback()
                                 transaction.leave_transaction_management()
                                 if show_traceback:
-                                    import traceback
                                     traceback.print_exc()
                                 else:
                                     sys.stderr.write(
                                         self.style.ERROR("Problem installing fixture '%s': %s\n" %
-                                             (full_path, traceback.format_exc())))
+                                             (full_path, ''.join(traceback.format_exception(sys.exc_type, 
+                                                 sys.exc_value, sys.exc_traceback))))) 
                                 return
                             fixture.close()