fix unit test and type hint

Author: Coniferish

_test_unstructured_client/unit/test_request_utils.py

@@ -1,5 +1,8 @@
 from __future__ import annotations
 
+import json
+import pytest
+
 from unstructured_client._hooks.custom.request_utils import create_response
 
 
@@ -14,10 +17,12 @@ def test_create_response_for_json():
     assert response.headers["Content-Type"] == "application/json"
 
 def test_create_response_for_csv():
-    elements = 'type,element_id,text,languages,page_number,filename,filetype,parent_id' \
-        '\nTitle,f73329878fbbb0bb131a83e7b6daacbe,Module One - Introduction to Product' \
-        ' Development and Quality Assurance,[\'eng\'],1,list-item-example-1.pdf,application/pdf,'
+    elements = [
+        b'type,element_id,text,languages,page_number,filename,filetype,parent_id' \
+        b'\nTitle,f73329878fbbb0bb131a83e7b6daacbe,Module One - Introduction to Product' \
+        b' Development and Quality Assurance,[\'eng\'],1,list-item-example-1.pdf,application/pdf,'
+    ]
     response = create_response(elements)
     assert response.status_code == 200
-    assert response.json() == None
-    assert response.headers["Content-Type"] == "text/csv"
+    pytest.raises(json.decoder.JSONDecodeError, response.json)
+    assert response.headers["Content-Type"] == "text/csv; charset=utf-8"

src/unstructured_client/_hooks/custom/request_utils.py

@@ -5,7 +5,7 @@
 import io
 import json
 import logging
-from typing import Tuple, Any
+from typing import Sequence, Tuple, Any
 
 import httpx
 from requests_toolbelt.multipart.encoder import MultipartEncoder  # type: ignore
@@ -139,7 +139,7 @@ def prepare_request_payload(form_data: FormData) -> FormData:
     return payload
 
 
-def create_response(elements: list[dict[str, Any] | bytes]) -> httpx.Response:
+def create_response(elements: Sequence[dict[str, Any] | bytes]) -> httpx.Response:
     """
     Creates a modified response object with updated content.