diff --git a/geomagio/api/ws/FilterApiQuery.py b/geomagio/api/ws/FilterApiQuery.py
index ee2a80bc6d80260e49449805fd9f053e08d95839..2524a7fd45285a6632ba08ec87be41efb3c0efbe 100644
--- a/geomagio/api/ws/FilterApiQuery.py
+++ b/geomagio/api/ws/FilterApiQuery.py
@@ -3,8 +3,8 @@ from .DataApiQuery import (
     SamplingPeriod,
     REQUEST_LIMIT,
 )
-from pydantic import ConfigDict, model_validator, field_validator
-from typing import Optional, Union
+from pydantic import ConfigDict, model_validator, field_validator, ValidationError
+from typing import Optional
 
 """This class inherits all the fields and validation on DataApiQuery and adds
 the fields input_sampling_period and output_sampling_period."""
diff --git a/test/api_test/ws_test/filter_test.py b/test/api_test/ws_test/filter_test.py
index d56b63525e021527fc742b46a7302d5220bb39be..aa0a4d8f05ce533b2bd787e353c07a32a7fea065 100644
--- a/test/api_test/ws_test/filter_test.py
+++ b/test/api_test/ws_test/filter_test.py
@@ -3,7 +3,6 @@ from fastapi import Depends
 from fastapi.testclient import TestClient
 from numpy.testing import assert_equal
 from obspy import UTCDateTime
-from pydantic import ValidationError
 import pytest
 
 from geomagio.api.ws import app