# HG changeset patch
# User Manuel Jacob <me@manueljacob.de>
# Date 1589108505 -7200
#      Sun May 10 13:01:45 2020 +0200
# Node ID 083d9683cb51e85cb26781872d6138dc3914de63
# Parent  cd32175a996b1bc4e8619b28632449339ae06b37
gitrepo: turn condition into assert

diff --git a/hggit/gitrepo.py b/hggit/gitrepo.py
--- a/hggit/gitrepo.py
+++ b/hggit/gitrepo.py
@@ -44,8 +44,8 @@
         return self.path
 
     def lookup(self, key):
-        if isinstance(key, bytes):
-            return key
+        assert isinstance(key, bytes)
+        return key
 
     def local(self):
         if not self.path: