diff --git a/src/ifccsv/ifccsv.py b/src/ifccsv/ifccsv.py
index 6dbf949b2e..99edbaf4a1 100755
--- a/src/ifccsv/ifccsv.py
+++ b/src/ifccsv/ifccsv.py
@@ -6,7 +6,6 @@ import ifcopenshell.util.selector
 import ifcopenshell.util.element
 import ifcopenshell.util.schema
 import csv
-import lark
 import argparse
 
 
@@ -21,7 +20,7 @@ class IfcAttributeSetter:
         if "." not in key:
             return element
         if key[0:3] == "Qto":
-            qto, prop = key.split(".", 1)
+            qto_name, prop = key.split(".", 1)
             qto = IfcAttributeSetter.get_element_qto(element, qto_name)
             if qto:
                 IfcAttributeSetter.set_qto_property(qto, prop, value)