Handle AttributeError instead of using getattr. Thanks to Marat Radchenko

<slonopotamusorama@gmail.com> for reporting.

svn path=/main/trunk/; revision=14209

diff --git a/pym/_emerge/Task.py b/pym/_emerge/Task.py
index d218ba360d3b682ccb99e717d35b0544e7f295cc..0cd545500b1d7cbffd06e4e38790c99c3c4fe677 100644 (file)
--- a/pym/_emerge/Task.py
+++ b/pym/_emerge/Task.py
@@ -7,10 +7,10 @@ class Task(SlotObject):
        __slots__ = ("_hash_key", "_hash_value")
 
        def _get_hash_key(self):
-               hash_key = getattr(self, "_hash_key", None)
-               if hash_key is None:
+               try:
+                       return self._hash_key
+               except AttributeError:
                        raise NotImplementedError(self)
-               return hash_key
 
        def __eq__(self, other):
                return self._get_hash_key() == other