fixed logout action when there is no session

Author: cmeerw

CHANGES.txt

@@ -17,6 +17,8 @@ Fixed:
 
 - encoding for SSHA encoded passwords with Python 3 (Christof
   Meerwald)
+- exception in logout action when there is no session (Christof
+  Meerwald)
 
 2020-04-05 2.0.0 beta 0
 

roundup/cgi/client.py

@@ -198,8 +198,9 @@ def clean_up(self):
     def destroy(self):
         self.client.add_cookie(self.cookie_name, None)
         self._data = {}
-        self.session_db.destroy(self._sid)
-        self.session_db.commit()
+        if self._sid:
+            self.session_db.destroy(self._sid)
+            self.session_db.commit()
 
     def get(self, name, default=None):
         return self._data.get(name, default)