diff --git a/modules/hostgroups.py b/modules/hostgroups.py
index 8bbec86..213c093 100644
--- a/modules/hostgroups.py
+++ b/modules/hostgroups.py
@@ -184,7 +184,7 @@ class Hostgroup:
         OUTPUT: STRING - Either the single child name or child and parents.
         """
         # Check if this type of nesting is supported.
-        if not nest_type in self.nested_objects:
+        if nest_type not in self.nested_objects:
             return child_object
         # If the nested flag is True, perform parent calculation
         if self.nested_objects[nest_type]["flag"]: