explain the jank

tests/test_vfs.py

@@ -18,7 +18,9 @@ from copyparty import util
 
 class Cfg(Namespace):
     def __init__(self, a=[], v=[], c=None):
-        ex = {k: False for k in "e2d e2ds e2dsa e2t e2ts e2tsr mte".split()}
+        ex = {k: False for k in "e2d e2ds e2dsa e2t e2ts e2tsr".split()}
+        ex["mtp"] = []
+        ex["mte"] = "a"
         super(Cfg, self).__init__(a=a, v=v, c=c, **ex)