fix typos
diff --git a/c_gen/c_test_gen.py b/c_gen/c_test_gen.py
index 67f4a02..ac2845f 100644
--- a/c_gen/c_test_gen.py
+++ b/c_gen/c_test_gen.py
@@ -136,7 +136,7 @@
                "of_bsn_port_counter_stats_request",
                "of_bsn_port_counter_stats_reply",
                "of_bsn_vlan_counter_stats_request",
-               "of_bsn_vlan_counter_stats_reply",]
+               "of_bsn_vlan_counter_stats_reply"]
 
     if (cls in classes and (
             m_name == "experimenter" or