diff --git a/src/vtlengine/API/_InternalApi.py b/src/vtlengine/API/_InternalApi.py
index 938a3194..641331e9 100644
--- a/src/vtlengine/API/_InternalApi.py
+++ b/src/vtlengine/API/_InternalApi.py
@@ -4,7 +4,7 @@
 from typing import Any, Dict, List, Optional, Union
 
 import pandas as pd
-from jsonschema import exceptions, validate
+from jsonschema import exceptions, validate  # type: ignore[import-untyped]
 from s3fs import S3FileSystem  # type: ignore[import-untyped]
 
 from vtlengine.AST import PersistentAssignment, Start