Index: core/management/commands/loaddata.py
===================================================================
--- core/management/commands/loaddata.py	(revision 7027)
+++ core/management/commands/loaddata.py	(working copy)
@@ -102,10 +102,12 @@
                                 transaction.rollback()
                                 transaction.leave_transaction_management()
                                 if show_traceback:
-                                    raise
-                                sys.stderr.write(
-                                    self.style.ERROR("Problem installing fixture '%s': %s\n" %
-                                         (full_path, str(e))))
+                                    import traceback
+                                    traceback.print_exc()
+                                else:
+                                    sys.stderr.write(
+                                        self.style.ERROR("Problem installing fixture '%s': %s\n" %
+                                             (full_path, str(e))))
                                 return
                             fixture.close()
                     except: