Ticket #19510: #19510-thread_safe_template_cache.3.diff

django/template/loaders/cached.py

@@ -42 +42 @@
             # If template directories were specified, use a hash to differentiate
             key = '-'.join([template_name, hashlib.sha1('|'.join(template_dirs)).hexdigest()])
 
-        if key not in self.template_cache:
+        try:
+            return self.template_cache[key], None
+        except KeyError:
             template, origin = self.find_template(template_name, template_dirs)
             if not hasattr(template, 'render'):
                 try: