[meld] meldbuffer: Remove incorrect trailing commas

[Kai Willadsen <kaiw src gnome org>]

commit 7c6cdc1c727ed225c8a9242b9f89ed4c7fe3958e
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Jan 8 13:04:15 2022 +1000

    meldbuffer: Remove incorrect trailing commas

 meld/meldbuffer.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meld/meldbuffer.py b/meld/meldbuffer.py
index 55342f17..106a1dbd 100644
--- a/meld/meldbuffer.py
+++ b/meld/meldbuffer.py
@@ -238,8 +238,8 @@ class BufferLines:
         buf.connect("delete-range", self.on_delete_range),
         buf.connect_after("insert-text", self.after_insert_text),
         if cache_debug:
-            buf.connect_after("insert-text", self._check_cache_invariant),
-            buf.connect_after("delete-range", self._check_cache_invariant),
+            buf.connect_after("insert-text", self._check_cache_invariant)
+            buf.connect_after("delete-range", self._check_cache_invariant)
 
     def _check_cache_invariant(self, *args: Any) -> None:
         if len(self.lines) != len(self):