diff --git a/applications/generate/philadelphia/orchestra.py b/applications/generate/philadelphia/orchestra.py
index 08d5e8c2..9fa83b5c 100644
--- a/applications/generate/philadelphia/orchestra.py
+++ b/applications/generate/philadelphia/orchestra.py
@@ -151,7 +151,7 @@ def _group_fields_by_type(fields: list[_Field]) -> dict[str, list[_Field]]:
 
 
 def _has_values(code_set: _CodeSet) -> bool:
-    return not code_set.id_ in _NO_VALUES and not code_set.type_ == 'Boolean'
+    return code_set.id_ not in _NO_VALUES and not code_set.type_ == 'Boolean'
 
 
 def _sorted_codes(codes: list[_Code]) -> list[_Code]: