fix a majorly broken variable

hjwp · hjwp · commit ba8e45d1b9a7 · 2019-02-11T04:30:35.000Z
diff --git a/domain_model.py b/domain_model.py
@@ -26,9 +26,9 @@ def __contains__(self, sku):
         return sku in self._sources
 
     def supplement_with(self, other):
-        for sku, qty in other._sources.items():
+        for sku, source in other._sources.items():
             if sku not in self:
-                self._sources[sku] = qty
+                self._sources[sku] = source
 
     def decrement_available_quantities(self):
         for sku, source in self._sources.items():
