progress: add try/finally to make the diffs for the next commit more readable

No change in behavior.

hgext/progress.py

@@ -229,6 +229,7 class progbar(object):
 
     def progress(self, topic, pos, item='', unit='', total=None):
         now = time.time()
+        try:
         if pos is None:
             self.starttimes.pop(topic, None)
             self.startvals.pop(topic, None)
@@ -262,6 +263,8 class progbar(object):
                     or now - self.lastprint >= self.changedelay):
                     self.lastprint = now
                     self.show(now, topic, *self.topicstates[topic])
+        finally:
+            pass
 
 _singleton = None