[core] Revert re-formating of wsgiserver
@@ -654,7 +654,7 @@ class HTTPRequest(object):
# exc_info tuple."
if self.sent_headers:
try:
- raise (exc_info[0], exc_info[1], exc_info[2])
+ raise exc_info[0], exc_info[1], exc_info[2]
finally:
exc_info = None
