Remove default for accept parameter in generate_vumark_instance

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: adamtheturtle

src/vws/vws.py

@@ -710,7 +710,7 @@ def generate_vumark_instance(
         *,
         target_id: str,
         instance_id: str,
-        accept: VuMarkAccept = VuMarkAccept.PNG,
+        accept: VuMarkAccept,
     ) -> bytes:
         """Generate a VuMark instance image.
 

tests/test_vws.py

@@ -765,23 +765,3 @@ def test_generate_vumark_instance(
             accept=accept,
         )
         assert result.startswith(expected_prefix)
-
-    @staticmethod
-    def test_generate_vumark_default_accept(
-        vws_client: VWS,
-        high_quality_image: io.BytesIO,
-    ) -> None:
-        """By default, PNG is returned."""
-        target_id = vws_client.add_target(
-            name="x",
-            width=1,
-            image=high_quality_image,
-            active_flag=True,
-            application_metadata=None,
-        )
-        vws_client.wait_for_target_processed(target_id=target_id)
-        result = vws_client.generate_vumark_instance(
-            target_id=target_id,
-            instance_id="12345",
-        )
-        assert result.startswith(b"\x89PNG\r\n\x1a\n")

tests/test_vws_exceptions.py

@@ -36,6 +36,7 @@
     TargetStatusProcessingError,
     UnknownTargetError,
 )
+from vws.vumark_accept import VuMarkAccept
 
 
 def test_image_too_large(
@@ -384,6 +385,7 @@ def test_invalid_instance_id(
         vws_client.generate_vumark_instance(
             target_id=target_id,
             instance_id="",
+            accept=VuMarkAccept.PNG,
         )
 
     assert exc.value.response.status_code == HTTPStatus.UNPROCESSABLE_ENTITY