--- a/mercurial/patch.py
+++ b/mercurial/patch.py
@@ -303,7 +303,7 @@ def patch(patchname, ui, strip=1, cwd=No
# Try to be smart only if patch call was not supplied
if util.needbinarypatch():
args.append('--binary')
-
+
if not patcher:
raise util.Abort(_('no patch command found in hgrc or PATH'))