diff --git a/grobid_client/grobid_client.py b/grobid_client/grobid_client.py
index 3d585bf..56d4ff6 100644
--- a/grobid_client/grobid_client.py
+++ b/grobid_client/grobid_client.py
@@ -720,7 +720,10 @@ def process_txt(
             include_raw_citations,
             include_raw_affiliations,
             tei_coordinates,
-            segment_sentences
+            segment_sentences,
+            flavor=None,
+            start_page=-1,
+            end_page=-1
     ):
         # create request based on file content
         try:
diff --git a/tests/test_grobid_client.py b/tests/test_grobid_client.py
index 98adb42..b6ab324 100644
--- a/tests/test_grobid_client.py
+++ b/tests/test_grobid_client.py
@@ -1,14 +1,13 @@
 """
 Unit tests for the GROBID client main functionality.
 """
-import pytest
-from unittest.mock import Mock, patch, MagicMock, mock_open, call
 import json
 import os
 import tempfile
-import logging
+from unittest.mock import Mock, patch, mock_open
+
+import pytest
 import requests
-from io import StringIO
 
 from grobid_client.grobid_client import GrobidClient, ServerUnavailableException