Fix a bug in the header generation

diff --git a/src/fwx/__init__.py b/src/fwx/__init__.py
index d26083b99ba0c873e4f034fcbd4b79c9d11a0cb8..6ee7541cd8f08920853ce7e5b2d7dd234d6fc81e 100644 (file)
--- a/src/fwx/__init__.py
+++ b/src/fwx/__init__.py
@@ -158,7 +158,7 @@ class Response(_Response):
             'Content-Type': self.content_type,
         }
 
-        for key, value in builtin_headers:
+        for key, value in builtin_headers.items():
             if key in result:
                 raise Exception('Header "{}" defined twice'.format(key))
             else:

diff --git a/src/test_fwx.py b/src/test_fwx.py
index f4379649dc2063ee0ec801e78373a93c61783967..97a7f74a5b7788742fb6f445b5f505b7d5796583 100644 (file)
--- a/src/test_fwx.py
+++ b/src/test_fwx.py
@@ -49,6 +49,7 @@ class ResponseTests(unittest.TestCase):
             response.headers,
             (
                 ('Content-Type', 'text/plain'),
+                ('X-Content-Type-Options', 'nosniff'),
             ),
         )