Remove trailing comma.
diff --git a/Lib/compiler/pycodegen.py b/Lib/compiler/pycodegen.py
index 0e226fd..8cf7d77 100644
--- a/Lib/compiler/pycodegen.py
+++ b/Lib/compiler/pycodegen.py
@@ -591,7 +591,7 @@
 
         self._implicitNameOp('LOAD', tmpname)
         self.visit(node.expr)
-        self.emit('LIST_APPEND',)
+        self.emit('LIST_APPEND')
 
         for start, cont, anchor in stack:
             if cont: