- fixed #469167 (don't scare users if they want to commit a nonexistent file ;) )

- removed class UnreadableFile: I don't know why it was introduced at all but it doesn't make any sense => use IOError instead

osc/babysitter.py

@@ -77,10 +77,6 @@ def run(prg):
         print >>sys.stderr, 'Link cannot be expanded:\n', e
         return 1
 
-    except oscerr.UnreadableFile, e:
-        print >>sys.stderr, e.msg
-        return 1
-
     except (oscerr.NoWorkingCopy, oscerr.WorkingCopyWrongVersion), e:
         print >>sys.stderr, e
         return 1