fix: URL-encode spoken-terms IDs in request paths

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: hive-bot

deepl/deepl_client.py

@@ -899,8 +899,8 @@ def _spoken_terms_json(entries: SpokenTermsEntries) -> dict:
     @staticmethod
     def _spoken_terms_id(spoken_terms: Union[str, SpokenTerms]) -> str:
         if isinstance(spoken_terms, SpokenTerms):
-            return spoken_terms.spoken_terms_id
-        return spoken_terms
+            spoken_terms = spoken_terms.spoken_terms_id
+        return urllib.parse.quote(spoken_terms, safe="")
 
     def get_languages_for_resource(
         self,

tests/offline/test_spoken_terms.py

@@ -65,3 +65,9 @@ def test_rejects_a_term_with_a_newline_without_sending_a_request(mocked):
         make_deepl_client().create_spoken_terms(
             "terms", [deepl.SpokenTermsEntries("en", ["a\nb"])]
         )
+
+
+def test_url_encodes_the_id_in_the_path(mocked):
+    mocked.delete(url("v3/spoken-terms/a%2Fb%3Fc"), status=204)
+
+    make_deepl_client().delete_spoken_terms("a/b?c")