diff --git a/classquiz/__init__.py b/classquiz/__init__.py
index 2285731..df402ff 100644
--- a/classquiz/__init__.py
+++ b/classquiz/__init__.py
@@ -1,9 +1,9 @@
 from fastapi import FastAPI
-from classquiz.socket_server import sio
 from socketio import ASGIApp
 
-from classquiz.routers import users, quiz, utils
 from classquiz.db import database
+from classquiz.routers import users, quiz, utils
+from classquiz.socket_server import sio
 
 app = FastAPI()
 app.state.database = database
diff --git a/classquiz/auth.py b/classquiz/auth.py
index 34465ac..2b94144 100644
--- a/classquiz/auth.py
+++ b/classquiz/auth.py
@@ -1,21 +1,21 @@
+from datetime import timedelta
+from typing import Dict
+from typing import Optional
+from typing import Union
+
+from fastapi import Depends
+from fastapi import HTTPException
+from fastapi import Request
+from fastapi import status
+from fastapi.openapi.models import OAuthFlows as OAuthFlowsModel
+from fastapi.security import OAuth2
+from fastapi.security.utils import get_authorization_scheme_param
+from jose import JWTError, jwt
+from passlib.hash import argon2
+
+from classquiz.cache import get_cache
 from classquiz.config import settings
 from classquiz.db.models import *
-from typing import Union
-from jose import JWTError, jwt
-from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
-from passlib.hash import argon2
-from datetime import datetime, timedelta
-from classquiz.cache import get_cache
-from fastapi import APIRouter, Depends, HTTPException, status
-from fastapi.security import OAuth2
-from fastapi.openapi.models import OAuthFlows as OAuthFlowsModel
-from fastapi import Request
-from fastapi.security.utils import get_authorization_scheme_param
-from fastapi import HTTPException
-from fastapi import status
-from typing import Optional
-from typing import Dict
-import pydantic
 
 # pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
 pwd_context = argon2
diff --git a/classquiz/cache.py b/classquiz/cache.py
index ba085ef..8cef3f9 100644
--- a/classquiz/cache.py
+++ b/classquiz/cache.py
@@ -1,9 +1,11 @@
+import uuid
+from json import loads
+from typing import Union
+
+import ormar
+
 from classquiz.config import redis, settings
 from classquiz.db.models import User
-import ormar
-import uuid
-from typing import Union
-from json import loads, dumps
 
 
 async def cache_account(criteria: str, content: str) -> Union[User, None]:
diff --git a/classquiz/config.py b/classquiz/config.py
index 059d1bb..3f24a1f 100644
--- a/classquiz/config.py
+++ b/classquiz/config.py
@@ -1,5 +1,5 @@
-from pydantic import BaseSettings, RedisDsn, PostgresDsn
 import redis.asyncio as redis_lib
+from pydantic import BaseSettings, RedisDsn, PostgresDsn
 
 
 class Settings(BaseSettings):
diff --git a/classquiz/db/__init__.py b/classquiz/db/__init__.py
index 77383ea..f8bcf9c 100644
--- a/classquiz/db/__init__.py
+++ b/classquiz/db/__init__.py
@@ -1,5 +1,6 @@
 import databases
 import sqlalchemy
+
 from classquiz.config import settings
 
 database = databases.Database(settings.db_url)
diff --git a/classquiz/db/models.py b/classquiz/db/models.py
index f3bd3a4..f248481 100644
--- a/classquiz/db/models.py
+++ b/classquiz/db/models.py
@@ -1,9 +1,10 @@
 import uuid
 from datetime import datetime
-from typing import Optional
-from pydantic import BaseModel, Json
-from . import metadata, database
+
 import ormar
+from pydantic import BaseModel, Json
+
+from . import metadata, database
 
 
 class User(ormar.Model):
diff --git a/classquiz/emails/__init__.py b/classquiz/emails/__init__.py
index 35af7a7..a91f3c3 100644
--- a/classquiz/emails/__init__.py
+++ b/classquiz/emails/__init__.py
@@ -1,11 +1,12 @@
-from jinja2 import Environment, PackageLoader, select_autoescape
-from classquiz.db.models import User
-
-from email.mime.multipart import MIMEMultipart
-from classquiz.config import settings
-from email.mime.text import MIMEText
 import smtplib
 import ssl
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+
+from jinja2 import Environment, PackageLoader, select_autoescape
+
+from classquiz.config import settings
+from classquiz.db.models import User
 
 jinja = Environment(
     loader=PackageLoader('classquiz.emails', 'templates'),
diff --git a/classquiz/routers/quiz.py b/classquiz/routers/quiz.py
index 53bafcd..dbd5230 100644
--- a/classquiz/routers/quiz.py
+++ b/classquiz/routers/quiz.py
@@ -1,15 +1,14 @@
 import json
-import os
+import uuid
 from datetime import datetime
+from random import randint
 
 from fastapi import APIRouter, Depends, HTTPException
 from fastapi.responses import JSONResponse
-from classquiz.config import redis
 
 from classquiz.auth import get_current_user, get_current_user_optional
+from classquiz.config import redis
 from classquiz.db.models import Quiz, QuizInput, User, PlayGame
-from random import randint
-import uuid
 
 router = APIRouter()
 
diff --git a/classquiz/routers/users.py b/classquiz/routers/users.py
index 6b82c45..0beec49 100644
--- a/classquiz/routers/users.py
+++ b/classquiz/routers/users.py
@@ -1,14 +1,15 @@
 import os
 
-from fastapi import APIRouter, HTTPException, Response
 from email_validator import validate_email, EmailNotValidError
-from classquiz.auth import *
+from fastapi import APIRouter, Response
 from fastapi.background import BackgroundTasks
-from classquiz.emails import send_mail
-from classquiz.config import redis
 from fastapi.responses import JSONResponse, RedirectResponse
+from fastapi.security import OAuth2PasswordRequestForm
 
+from classquiz.auth import *
+from classquiz.config import redis
 from classquiz.db.models import *
+from classquiz.emails import send_mail
 
 router = APIRouter()
 
diff --git a/classquiz/routers/utils.py b/classquiz/routers/utils.py
index 201fa76..6a206cc 100644
--- a/classquiz/routers/utils.py
+++ b/classquiz/routers/utils.py
@@ -3,9 +3,10 @@ import io
 import qrcode
 import qrcode.image.svg
 from fastapi import APIRouter
-from classquiz.config import settings
 from fastapi.responses import Response
 
+from classquiz.config import settings
+
 router = APIRouter()
 
 
diff --git a/classquiz/socket_server/__init__.py b/classquiz/socket_server/__init__.py
index a4a66b3..c9109d8 100644
--- a/classquiz/socket_server/__init__.py
+++ b/classquiz/socket_server/__init__.py
@@ -1,11 +1,12 @@
-import socketio
 import json
-from classquiz.config import redis, settings
-from classquiz.db.models import GameSession, GameAnser1, GameAnser2, PlayGame
-import aiohttp
-from redis.commands.json.path import Path
 
-sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins="*")
+import aiohttp
+import socketio
+
+from classquiz.config import redis, settings
+from classquiz.db.models import GameSession, PlayGame
+
+sio = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins=[])
 
 
 @sio.event
@@ -62,7 +63,8 @@ async def register_as_admin(sid, data):
     game_pin = data["game_pin"]
     game_id = data["game_id"]
     if (await redis.get(f"game_session:{game_pin}")) is None:
-        await redis.set(f"game_session:{game_pin}", json.dumps({"admin": sid, "game_id": game_id, "players": []}), ex=18000)
+        await redis.set(f"game_session:{game_pin}", json.dumps({"admin": sid, "game_id": game_id, "players": []}),
+                        ex=18000)
 
         await sio.emit("registered_as_admin", {"game_id": game_id, "game": await redis.get(f"game:{data['game_pin']}")},
                        room=sid)
@@ -107,7 +109,8 @@ async def submit_answer(sid, data):
     if answers is None:
         await redis.set(f"game_session:{session['game_pin']}:{data['question_index']}",
                         json.dumps(
-                            [{"username": session["username"], "answer": data["answer"], "right": answer_right}]), ex=18000)
+                            [{"username": session["username"], "answer": data["answer"], "right": answer_right}]),
+                        ex=18000)
     else:
         answers = json.loads(answers)
         answers.append({"username": session["username"], "answer": data["answer"], "right": answer_right})