1 files changed, 2 insertions, 2 deletions
diff --git a/modules/script_callbacks.py b/modules/script_callbacks.py
index f755283c..77ee55ee 100644
--- a/modules/script_callbacks.py
+++ b/modules/script_callbacks.py
@@ -287,14 +287,14 @@ def list_unets_callback():
 
 def add_callback(callbacks, fun):
     stack = [x for x in inspect.stack() if x.filename != __file__]
-    filename = stack[0].filename if len(stack) > 0 else 'unknown file'
+    filename = stack[0].filename if stack else 'unknown file'
 
     callbacks.append(ScriptCallback(filename, fun))
 
 
 def remove_current_script_callbacks():
     stack = [x for x in inspect.stack() if x.filename != __file__]
-    filename = stack[0].filename if len(stack) > 0 else 'unknown file'
+    filename = stack[0].filename if stack else 'unknown file'
     if filename == 'unknown file':
         return
     for callback_list in callback_map.values():