Merge pull request #683 from awesto/releases/0.11.x

Fix: In plugin child_plugin_instances may be None
awesto · Nov 7, 2017 · e615cda · e615cda
2 parents 2e13fd9 + e04f8d3
commit e615cda
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/shop/cascade/extensions.py b/shop/cascade/extensions.py
@@ -14,12 +14,16 @@ class ShopExtendableMixin(object):
     """
     @property
     def left_extension(self):
+        if self.child_plugin_instances is None:
+            return
         result = [cp for cp in self.child_plugin_instances if cp.plugin_type == 'ShopLeftExtension']
         if result:
             return result[0]
 
     @property
     def right_extension(self):
+        if self.child_plugin_instances is None:
+            return
         result = [cp for cp in self.child_plugin_instances if cp.plugin_type == 'ShopRightExtension']
         if result:
             return result[0]