[kupfer] relevance: remove unnecessary check

[Ulrik Sverdrup <usverdrup src gnome org>]

commit c09dc946a51d4fdc0b29807a97d62af3a2f8c984
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Fri Sep 11 20:04:13 2009 +0200

    relevance: remove unnecessary check

 kupfer/relevance.py |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/kupfer/relevance.py b/kupfer/relevance.py
index 588e049..3381676 100644
--- a/kupfer/relevance.py
+++ b/kupfer/relevance.py
@@ -114,13 +114,11 @@ def score(s, query):
     # Find the shortest possible substring that matches the query
     # and get the ration of their lengths for a base score
     first, last = _findBestMatch(ls, query)
-    if last - first == 0:
+    if first == -1:
         return .0
-    
+
     score = len(query) / (last - first)
-    if score == 0:
-        return .0
-        
+
     # Now we weight by string length so shorter strings are better
     score *= .7 + len(query) / len(s) * .3