Fixed bug in MatchesIterator.previous

mmaker · mmaker · commit 73691140a0e8 · 2010-07-13T11:14:09.000+02:00
diff --git a/bpython/repl.py b/bpython/repl.py
@@ -242,7 +242,10 @@ def next(self):
         return self.matches[self.index]
 
     def previous(self):
-        self.index = (self.index - 1) % len(self.matches)
+        if self.index <= 0:
+            self.index = len(self.matches)
+        self.index -= 1
+
         return self.matches[self.index]
 
     def update(self, current_word='', matches=[]):
