better logic for html renderer

plone · Feb 24, 2017 · d057440 · d057440
1 parent 3c8ae42
commit d057440
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/plone.server/plone/server/renderers.py b/src/plone.server/plone/server/renderers.py
@@ -137,10 +137,13 @@ async def __call__(self, value):
         # Safe html transformation
         if _is_pserver_response(value):
             body = value.response
-            if not isinstance(body, str):
-                body = json.dumps(value.response)
+            if not isinstance(body, bytes):
+                if not isinstance(body, str):
+                    body = json.dumps(value.response)
+                body = body.encode('utf8')
+
             value = aioResponse(
-                body=body.encode('utf8'), status=value.status,
+                body=body, status=value.status,
                 headers=value.headers)
         value.headers.update({
             'content-type': 'text/html'