#619: don't clear then set again!

git-svn-id: https://xpra.org/svn/Xpra/trunk@18149 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/net/protocol.py

@@ -349,16 +349,15 @@ def _write_format_thread_loop(self):
                 gpc = self._get_packet_cb
                 if self._closed or not gpc:
                     return
-                self._source_has_more.clear()
                 self._add_packet_to_queue(*gpc())
         except Exception as e:
             if self._closed:
                 return
             self._internal_error("error in network packet write/format", e, exc_info=True)
 
     def _add_packet_to_queue(self, packet, start_send_cb=None, end_send_cb=None, fail_cb=None, synchronous=True, has_more=False):
-        if has_more:
-            self._source_has_more.set()
+        if not has_more:
+            self._source_has_more.clear()
         if packet is None:
             return
         log("add_packet_to_queue(%s ...)", packet[0])