update err message

chromadb/api/types.py

@@ -251,7 +251,7 @@ def __call__(self: EmbeddingFunction[D], input: D) -> Embeddings:
 
             if converted is None:
                 raise ValueError(
-                    "Expected embeddings to be a list of list of ints or floats, got None"
+                    "Expected embeddings not to be None"
                 )
 
             return validate_embeddings(converted)