Fix tests

Author: dirkkul

test/collection/test_config.py

@@ -124,7 +124,6 @@ def test_basic_config():
             "multi2vec-voyageai": {
                 "model": "voyage-multimodal-3",
                 "truncation": False,
-                "output_encoding": "base64",
                 "baseURL": "https://api.voyageai.com/",
             }
         },
@@ -133,15 +132,13 @@ def test_basic_config():
         Configure.Vectorizer.multi2vec_nvidia(
             model="nvidia/nvclip",
             truncation=False,
-            output_encoding="base64",
             vectorize_collection_name=False,
             base_url="https://integrate.api.nvidia.com",
         ),
         {
             "multi2vec-nvidia": {
                 "model": "nvidia/nvclip",
                 "truncation": False,
-                "output_encoding": "base64",
                 "baseURL": "https://integrate.api.nvidia.com/",
             }
         },

weaviate/collections/classes/config_vectorizers.py

@@ -872,7 +872,7 @@ def multi2vec_nvidia(
         *,
         model: Optional[str] = None,
         truncation: Optional[bool] = None,
-        output_encoding: Optional[str],
+        output_encoding: Optional[str] = None,
         vectorize_collection_name: bool = True,
         base_url: Optional[AnyHttpUrl] = None,
         image_fields: Optional[Union[List[str], List[Multi2VecField]]] = None,