diff --git a/integrations/weaviate/pyproject.toml b/integrations/weaviate/pyproject.toml
index 3e6170ce9..c90d70046 100644
--- a/integrations/weaviate/pyproject.toml
+++ b/integrations/weaviate/pyproject.toml
@@ -169,7 +169,7 @@ exclude_lines = [
 module = [
   "haystack.*",
   "pytest.*",
-  "weaviate_client.*",
+  "weaviate.*",
   "numpy",
   "grpc"
 ]
diff --git a/integrations/weaviate/src/weaviate_haystack/document_store.py b/integrations/weaviate/src/weaviate_haystack/document_store.py
index ba48241fe..263d96aad 100644
--- a/integrations/weaviate/src/weaviate_haystack/document_store.py
+++ b/integrations/weaviate/src/weaviate_haystack/document_store.py
@@ -1,17 +1,16 @@
 # SPDX-FileCopyrightText: 2023-present deepset GmbH <info@deepset.ai>
 #
 # SPDX-License-Identifier: Apache-2.0
-from typing import Union, Dict, Tuple, Optional, List, Any
 from dataclasses import asdict
+from typing import Any, Dict, List, Optional, Tuple, Union
 
 import weaviate
-from weaviate.auth import AuthCredentials
-from weaviate.embedded import EmbeddedOptions
-from weaviate.config import Config, ConnectionConfig
-
-from haystack.core.serialization import default_to_dict, default_from_dict
+from haystack.core.serialization import default_from_dict, default_to_dict
 from haystack.dataclasses.document import Document
 from haystack.document_stores.protocol import DuplicatePolicy
+from weaviate.auth import AuthCredentials
+from weaviate.config import Config, ConnectionConfig
+from weaviate.embedded import EmbeddedOptions
 
 Number = Union[int, float]
 TimeoutType = Union[Tuple[Number, Number], Number]
@@ -144,13 +143,15 @@ def from_dict(cls, data: Dict[str, Any]) -> "WeaviateDocumentStore":
         )
 
     def count_documents(self) -> int:
-        ...
+        return 0
 
-    def filter_documents(self, filters: Optional[Dict[str, Any]] = None) -> List[Document]:
-        ...
+    def filter_documents(self, filters: Optional[Dict[str, Any]] = None) -> List[Document]:  # noqa: ARG002
+        return []
 
-    def write_documents(self, documents: List[Document], policy: DuplicatePolicy = DuplicatePolicy.NONE) -> int:
-        ...
+    def write_documents(
+        self, documents: List[Document], policy: DuplicatePolicy = DuplicatePolicy.NONE  # noqa: ARG002
+    ) -> int:
+        return 0
 
-    def delete_documents(self, document_ids: List[str]) -> None:
-        ...
+    def delete_documents(self, document_ids: List[str]) -> None:  # noqa: ARG002
+        return
diff --git a/integrations/weaviate/tests/test_document_store.py b/integrations/weaviate/tests/test_document_store.py
index 90ac4e848..69e7c36b5 100644
--- a/integrations/weaviate/tests/test_document_store.py
+++ b/integrations/weaviate/tests/test_document_store.py
@@ -1,14 +1,14 @@
 from unittest.mock import patch
 
 from weaviate.auth import AuthApiKey
+from weaviate.config import Config
 from weaviate.embedded import (
-    EmbeddedOptions,
     DEFAULT_BINARY_PATH,
+    DEFAULT_GRPC_PORT,
     DEFAULT_PERSISTENCE_DATA_PATH,
     DEFAULT_PORT,
-    DEFAULT_GRPC_PORT,
+    EmbeddedOptions,
 )
-from weaviate.config import Config
 
 from weaviate_haystack.document_store import WeaviateDocumentStore
 
@@ -109,7 +109,7 @@ def test_from_dict(self, _mock_weaviate):
         assert document_store._embedded_options.version == "1.23.0"
         assert document_store._embedded_options.port == DEFAULT_PORT
         assert document_store._embedded_options.hostname == "127.0.0.1"
-        assert document_store._embedded_options.additional_env_vars == None
+        assert document_store._embedded_options.additional_env_vars is None
         assert document_store._embedded_options.grpc_port == DEFAULT_GRPC_PORT
         assert document_store._additional_config.grpc_port_experimental == 12345
         assert document_store._additional_config.connection_config.session_pool_connections == 20