Don't do anything if log metadata is not JSON-encodable

gpoa/util/logging.py

@@ -52,7 +52,11 @@ class slogm(object):
         #args.update(dict({'timestamp': now, 'message': str(self.message)}))
         args.update(self.kwargs)
 
-        kwa = encoder().encode(args)
+        kwa = dict()
+        try:
+            kwa = encoder().encode(args)
+        except Exception as exc:
+            pass
 
         result = '{}|{}|{}'.format(now, self.message, kwa)