fix stake share bug of distribution key

apps/pos_device/web/api/v1/serilaizers/device.py

@@ -99,12 +99,8 @@ class StakeHolderShareAmountSerializer(ModelSerializer):
         fields = '__all__'
 
     def validate(self, attrs):
-        stakeholders = attrs['stakeholders']
-
         # check organization has pos device
-        assigned_organization = pos_models.Organization.objects.get(
-            id=attrs['distribution']['assigned_organization']
-        )
+        assigned_organization = attrs['quota_distribution'].assigned_organization
         if not assigned_organization.has_pos:
             raise pos_exceptions.OrganizationDeviceNotAssigned()