fix inventory entry document upload in update

apps/warehouse/web/api/v1/api.py

@@ -67,6 +67,22 @@ class InventoryEntryViewSet(viewsets.ModelViewSet, DynamicSearchMixin):
             return Response(serializer.data, status=status.HTTP_201_CREATED)
         return Response(serializer.errors, status=status.HTTP_403_FORBIDDEN)
 
+    @transaction.atomic
+    def update(self, request, pk=None, *args, **kwargs):
+        """ edit inventory  """
+
+        inventory = self.get_object()
+        serializer = self.serializer_class(data=request.data, instance=inventory, partial=True)
+        if serializer.is_valid():
+            serializer.save()
+
+            # upload document for confirmation entry
+            if 'document' in request.data.keys():
+                self.upload_confirmation_document(request, inventory=inventory.id)
+
+            return Response(serializer.data, status=status.HTTP_200_OK)
+        return Response(serializer.errors, status=status.HTTP_403_FORBIDDEN)
+
     @action(
         methods=['post'],
         detail=True,