diff --git a/vortex/ai/agents/__init__.py b/vortex/ai/agents/__init__.py
index 19b200b..3c72c73 100644
--- a/vortex/ai/agents/__init__.py
+++ b/vortex/ai/agents/__init__.py
@@ -1,9 +1,9 @@
 # %%
 from langchain.agents import AgentExecutor
-from langchain.agents.format_scratchpad.openai_tools import \
-    format_to_openai_tool_messages
-from langchain.agents.output_parsers.openai_tools import \
-    OpenAIToolsAgentOutputParser
+from langchain.agents.format_scratchpad.openai_tools import (
+    format_to_openai_tool_messages,
+)
+from langchain.agents.output_parsers.openai_tools import OpenAIToolsAgentOutputParser
 from langchain.prompts import MessagesPlaceholder
 from langchain_core.messages import AIMessage, HumanMessage
 from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
@@ -40,7 +40,7 @@ def __init__(
         tools: list = tools,
         hub_prompt: str = "hwchase17/openai-tools-agent",
         agent_type="vortex_tools_agent",
-        context: list = [] # represents the chat history, can be pulled from a db
+        context: list = [],  # represents the chat history, can be pulled from a db
     ):
         self.llm: LLM = llm
         self.tools: list = tools
diff --git a/vortex/api/__init__.py b/vortex/api/__init__.py
index fac2f17..f297921 100644
--- a/vortex/api/__init__.py
+++ b/vortex/api/__init__.py
@@ -10,6 +10,7 @@
 
 app = FastAPI()
 
+
 @app.get("/api/check")
 def hello_world():
     return {"message": "Vortex is Running!"}
diff --git a/vortex/api/data_models/__init__.py b/vortex/api/data_models/__init__.py
index 0ea2153..3c81397 100644
--- a/vortex/api/data_models/__init__.py
+++ b/vortex/api/data_models/__init__.py
@@ -2,8 +2,7 @@
 import os
 from datetime import datetime
 
-from sqlalchemy import (JSON, Column, DateTime, Integer, String, Text,
-                        create_engine)
+from sqlalchemy import JSON, Column, DateTime, Integer, String, Text, create_engine
 from sqlalchemy.engine import URL
 from sqlalchemy.orm import declarative_base, sessionmaker
 
@@ -32,19 +31,24 @@ class Conversation(Base):
     response = Column(String)
     created_at = Column(DateTime, default=datetime.utcnow)
 
+
 class ChatsHistory(Base):
-    __tablename__ = 'chats_history'
+    __tablename__ = "chats_history"
     # id = Column(Integer, primary_key=True, index=True)
     sender = Column(String, primary_key=True, index=True)
     history = Column(Text)
     updated_at = Column(DateTime, default=datetime.utcnow)
 
+
 Base.metadata.create_all(engine)
 
+
 def get_db():
     try:
         db = SessionLocal()
         yield db
     finally:
         db.close()
+
+
 # %%
diff --git a/vortex/io/twilio.py b/vortex/io/twilio.py
index ef54d4c..2c05825 100644
--- a/vortex/io/twilio.py
+++ b/vortex/io/twilio.py
@@ -1,4 +1,4 @@
-#%%
+# %%
 import base64
 import logging
 import os
@@ -14,8 +14,7 @@
 from twilio.rest import Client
 
 from vortex.ai.agents import VortexAgent
-from vortex.api.data_models import (ChatsHistory, Conversation, SessionLocal,
-                                    get_db)
+from vortex.api.data_models import ChatsHistory, Conversation, SessionLocal, get_db
 
 load_dotenv()
 
@@ -32,18 +31,19 @@
 
 agents: Dict[str, weakref.ref] = weakref.WeakValueDictionary()
 
+
 def get_or_create_agent(phone_number: str, db) -> VortexAgent:
     agent = agents.get(phone_number)
     chat_history = get_chat_history(db, phone_number)
-    if agent is not None and chat_history: # Same session stil kept
-        print(f'Using existing agent {agent}')
+    if agent is not None and chat_history:  # Same session stil kept
+        print(f"Using existing agent {agent}")
         ...
-    elif agent is None and chat_history: # New session but existing user
+    elif agent is None and chat_history:  # New session but existing user
         agent = VortexAgent(context=chat_history)  # Initialize a new agent instance
-        print(f'using reloaded agent with history {chat_history}')
+        print(f"using reloaded agent with history {chat_history}")
     elif agent is None and not chat_history:
         agent = VortexAgent()
-        print('using a new agent')
+        print("using a new agent")
     agents[phone_number] = agent
     return agent
 
@@ -90,7 +90,7 @@ def get_chat_history(db_session, phone_number: str) -> list:
     chat_history = str(history[0])
     print(chat_history)
     loaded = pickle.loads(chat_history)
-    print(f'loaded history {loaded}')
+    print(f"loaded history {loaded}")
     return loaded
 
 
@@ -127,4 +127,5 @@ async def handle_wapp_message(
     send_message(whatsapp_number, langchain_response)
     return {"response": langchain_response}
 
+
 # %%