FIX: 'from_texts' method in Weaviate with non-existent kwargs param (#11604)

Due to the possibility of external inputs including UUIDs, there may be
additional values in **kwargs, while Weaviate's `__init__` method does
not support passing extra **kwarg parameters.

---------

Co-authored-by: Erick Friis <erick@langchain.dev>

libs/langchain/langchain/vectorstores/weaviate.py

@@ -467,6 +467,13 @@ class Weaviate(VectorStore):
         embeddings = embedding.embed_documents(texts) if embedding else None
         attributes = list(metadatas[0].keys()) if metadatas else None
 
+        # If the UUID of one of the objects already exists
+        # then the existing object will be replaced by the new object.
+        if "uuids" in kwargs:
+            uuids = kwargs.pop("uuids")
+        else:
+            uuids = [get_valid_uuid(uuid4()) for _ in range(len(texts))]
+
         with client.batch as batch:
             for i, text in enumerate(texts):
                 data_properties = {
@@ -476,12 +483,7 @@ class Weaviate(VectorStore):
                     for key in metadatas[i].keys():
                         data_properties[key] = metadatas[i][key]
 
-                # If the UUID of one of the objects already exists
-                # then the existing objectwill be replaced by the new object.
-                if "uuids" in kwargs:
-                    _id = kwargs["uuids"][i]
-                else:
-                    _id = get_valid_uuid(uuid4())
+                _id = uuids[i]
 
                 # if an embedding strategy is not provided, we let
                 # weaviate create the embedding. Note that this will only