Fix type check linter error

kislyuk · kislyuk · commit c6b7dec70771 · 2019-12-01T20:58:53.000-08:00
diff --git a/signxml/util/__init__.py b/signxml/util/__init__.py
@@ -116,7 +116,8 @@ def iterate_pem(certs):
 
 
 class Namespace(dict):
-    __getattr__ = dict.__getitem__
+    def __getattr__(self, a):
+        return dict.__getitem__(self, a)
 
 
 class XMLProcessor:
