diff --git a/backend/src/community/jina_ai/jina_client.py b/backend/src/community/jina_ai/jina_client.py
index 2f0d07b..3b1a219 100644
--- a/backend/src/community/jina_ai/jina_client.py
+++ b/backend/src/community/jina_ai/jina_client.py
@@ -7,7 +7,6 @@ logger = logging.getLogger(__name__)
 
 
 class JinaClient:
-
     def crawl(self, url: str, return_format: str = "html", timeout: int = 10) -> str:
         headers = {
             "Content-Type": "application/json",
@@ -17,17 +16,13 @@ class JinaClient:
         if os.getenv("JINA_API_KEY"):
             headers["Authorization"] = f"Bearer {os.getenv('JINA_API_KEY')}"
         else:
-            logger.warning(
-                "Jina API key is not set. Provide your own key to access a higher rate limit. See https://jina.ai/reader for more information."
-            )
+            logger.warning("Jina API key is not set. Provide your own key to access a higher rate limit. See https://jina.ai/reader for more information.")
         data = {"url": url}
         try:
             response = requests.post("https://r.jina.ai/", headers=headers, json=data)
 
             if response.status_code != 200:
-                error_message = (
-                    f"Jina API returned status {response.status_code}: {response.text}"
-                )
+                error_message = f"Jina API returned status {response.status_code}: {response.text}"
                 logger.error(error_message)
                 return f"Error: {error_message}"
 
diff --git a/backend/src/community/tavily/tools.py b/backend/src/community/tavily/tools.py
index 0654cd0..9d675d8 100644
--- a/backend/src/community/tavily/tools.py
+++ b/backend/src/community/tavily/tools.py
@@ -45,7 +45,7 @@ def web_fetch_tool(url: str) -> str:
     """
     res = tavily_client.extract([url])
     if "failed_results" in res and len(res["failed_results"]) > 0:
-        return f"Error: {res["failed_results"][0]["error"]}"
+        return f"Error: {res['failed_results'][0]['error']}"
     elif "results" in res and len(res["results"]) > 0:
         result = res["results"][0]
         return f"# {result['title']}\n\n{result['raw_content']}"
diff --git a/backend/src/config/model_config.py b/backend/src/config/model_config.py
index ab79b47..a505c8f 100644
--- a/backend/src/config/model_config.py
+++ b/backend/src/config/model_config.py
@@ -5,21 +5,15 @@ class ModelConfig(BaseModel):
     """Config section for a model"""
 
     name: str = Field(..., description="Unique name for the model")
-    display_name: str | None = Field(
-        ..., default_factory=lambda: None, description="Display name for the model"
-    )
-    description: str | None = Field(
-        ..., default_factory=lambda: None, description="Description for the model"
-    )
+    display_name: str | None = Field(..., default_factory=lambda: None, description="Display name for the model")
+    description: str | None = Field(..., default_factory=lambda: None, description="Description for the model")
     use: str = Field(
         ...,
         description="Class path of the model provider(e.g. langchain_openai.ChatOpenAI)",
     )
     model: str = Field(..., description="Model name")
     model_config = ConfigDict(extra="allow")
-    supports_thinking: bool = Field(
-        default_factory=lambda: False, description="Whether the model supports thinking"
-    )
+    supports_thinking: bool = Field(default_factory=lambda: False, description="Whether the model supports thinking")
     when_thinking_enabled: dict | None = Field(
         default_factory=lambda: None,
         description="Extra settings to be passed to the model when thinking is enabled",
diff --git a/backend/src/models/factory.py b/backend/src/models/factory.py
index 879ca0a..8189cee 100644
--- a/backend/src/models/factory.py
+++ b/backend/src/models/factory.py
@@ -4,9 +4,7 @@ from src.config import get_app_config
 from src.reflection import resolve_class
 
 
-def create_chat_model(
-    name: str | None = None, thinking_enabled: bool = False, **kwargs
-) -> BaseChatModel:
+def create_chat_model(name: str | None = None, thinking_enabled: bool = False, **kwargs) -> BaseChatModel:
     """Create a chat model instance from the config.
 
     Args:
@@ -35,9 +33,7 @@ def create_chat_model(
     )
     if thinking_enabled and model_config.when_thinking_enabled is not None:
         if not model_config.supports_thinking:
-            raise ValueError(
-                f"Model {name} does not support thinking. Set `supports_thinking` to true in the `config.yaml` to enable thinking."
-            ) from None
+            raise ValueError(f"Model {name} does not support thinking. Set `supports_thinking` to true in the `config.yaml` to enable thinking.") from None
         model_settings_from_config.update(model_config.when_thinking_enabled)
     model_instance = model_class(**kwargs, **model_settings_from_config)
     return model_instance
diff --git a/backend/src/tools/tools.py b/backend/src/tools/tools.py
index c8aa04d..870df6b 100644
--- a/backend/src/tools/tools.py
+++ b/backend/src/tools/tools.py
@@ -7,8 +7,4 @@ from src.reflection import resolve_variable
 def get_available_tools(groups: list[str] | None = None) -> list[BaseTool]:
     """Get all available tools from config"""
     config = get_app_config()
-    return [
-        resolve_variable(tool.use, BaseTool)
-        for tool in config.tools
-        if groups is None or tool.group in groups
-    ]
+    return [resolve_variable(tool.use, BaseTool) for tool in config.tools if groups is None or tool.group in groups]