diff --git a/src/caosadvancedtools/models/parser.py b/src/caosadvancedtools/models/parser.py
index 971a4918dc23719a445f9c5ef37001f54292651f..44d212fb976154d264221f5c19cbe8b0feae89bc 100644
--- a/src/caosadvancedtools/models/parser.py
+++ b/src/caosadvancedtools/models/parser.py
@@ -917,7 +917,7 @@ class JsonSchemaParser(Parser):
         pattern_prop = self._get_pattern_prop()
         returns = []
         for ii, (key, element) in enumerate(pattern_elements.items()):
-            if not "title" in element:
+            if "title" not in element:
                 name_suffix = f"_{ii+1}" if num_patterns > 1 else ""
                 name = name_prefix + "Entry" + name_suffix
             else: