diff --git a/SPECS/ansible/tdnf.py b/SPECS/ansible/tdnf.py
index fc4230b048..84b7c006ed 100644
--- a/SPECS/ansible/tdnf.py
+++ b/SPECS/ansible/tdnf.py
@@ -289,14 +289,15 @@ def convert_to_list(input_list):
     """Convert nested list into flat list"""
     flat_list = []
 
-    if input_list is not None:
-      for sublist in input_list:
-          if not isinstance(sublist, list):
-              flat_list.append(sublist)
-              continue
-          if sublist is not None:
-            for item in sublist:
-                flat_list.append(item)
+    if not input_list:
+      return flat_list
+  
+    for sublist in input_list:
+        if not isinstance(sublist, list):
+            flat_list.append(sublist)
+            continue
+        for item in sublist:
+            flat_list.append(item)
 
     return flat_list