[kupfer] helplib: Use pretty.print_exc for exceptions in _BackgroundLoader

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 8eb61031847556f84d1e5fdb5e1e3de17e7065a3
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Tue Mar 9 00:50:41 2010 +0100

    helplib: Use pretty.print_exc for exceptions in _BackgroundLoader
    
    In normal mode, print_exc will print a single-line message with the
    exception. In debug mode, it will print the full traceback.
    
    Based on patch by Karol

 kupfer/obj/helplib.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/kupfer/obj/helplib.py b/kupfer/obj/helplib.py
index 8c1f0f3..a90441c 100644
--- a/kupfer/obj/helplib.py
+++ b/kupfer/obj/helplib.py
@@ -11,6 +11,7 @@ import traceback
 import gio
 
 from kupfer import task
+from kupfer import pretty
 
 class PicklingHelperMixin (object):
 	""" This pickling helper will define __getstate__/__setstate__
@@ -172,7 +173,7 @@ class _BackgroundLoader (object):
 				self.new_data_callback()
 
 	def _error_callback(self, exc_info):
-		traceback.print_exception(*exc_info)
+		pretty.print_exc(__name__, exc_info)
 
 	def fill_cache(self, data):
 		if data: