tests - fix python_multipart

Author: commonism

tests/pathv20_test.py

@@ -5,6 +5,8 @@
 import yarl
 import httpx
 import pytest
+import python_multipart
+from httpx._multipart import MultipartStream
 
 from aiopenapi3 import OpenAPI
 
@@ -177,9 +179,6 @@ def test_paths_parameter_format_v20(httpx_mock, with_paths_parameter_format_v20)
     result = api._.formdata(parameters=params)
     request = httpx_mock.get_requests()[-1]
 
-    import multipart
-    from httpx._multipart import MultipartStream
-
     files = dict()
 
     def on_file(file):