Connection.ping() returned packet object.

methane · methane · commit 8009ec5059f3 · 2017-12-19T13:15:50.000Z
Reported on forum.  It is really confusing.
diff --git a/pymysql/connections.py b/pymysql/connections.py
@@ -879,11 +879,11 @@ def ping(self, reconnect=True):
                 raise err.Error("Already closed")
         try:
             self._execute_command(COMMAND.COM_PING, "")
-            return self._read_ok_packet()
+            self._read_ok_packet()
         except Exception:
             if reconnect:
                 self.connect()
-                return self.ping(False)
+                self.ping(False)
             else:
                 raise
 
