1 files changed, 16 insertions, 9 deletions

diff --git a/g4f/Provider/helper.py b/g4f/Provider/helper.py
index c127f241..5a9a9329 100644
--- a/g4f/Provider/helper.py
+++ b/g4f/Provider/helper.py
@@ -1,8 +1,10 @@
 from __future__ import annotations
 
-import asyncio, sys
+import asyncio
+import sys
 from asyncio import AbstractEventLoop
 from os import path
+from typing import Dict, List
 import browser_cookie3
 
 # Change event loop policy on windows
@@ -13,7 +15,7 @@ if sys.platform == 'win32':
         asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
 
 # Local Cookie Storage
-_cookies: dict[str, dict[str, str]] = {}
+_cookies: Dict[str, Dict[str, str]] = {}
 
 # If event loop is already running, handle nested event loops
 # If "nest_asyncio" is installed, patch the event loop.
@@ -34,11 +36,13 @@ def get_event_loop() -> AbstractEventLoop:
         return event_loop
     except ImportError:
         raise RuntimeError(
-            'Use "create_async" instead of "create" function in a running event loop. Or install the "nest_asyncio" package.')
+            'Use "create_async" instead of "create" function in a running event loop. Or install the "nest_asyncio" package.'
+        )
+
 
-# Load cookies for a domain from all supported browser.
-# Cache the results in the "_cookies" variable
-def get_cookies(cookie_domain: str) -> dict:
+# Load cookies for a domain from all supported browsers.
+# Cache the results in the "_cookies" variable.
+def get_cookies(cookie_domain: str) -> Dict[str, str]:
     if cookie_domain not in _cookies:
         _cookies[cookie_domain] = {}
         try:
@@ -49,15 +53,18 @@ def get_cookies(cookie_domain: str) -> dict:
     return _cookies[cookie_domain]
 
 
-def format_prompt(messages: list[dict[str, str]], add_special_tokens=False):
+def format_prompt(messages: List[Dict[str, str]], add_special_tokens=False) -> str:
     if add_special_tokens or len(messages) > 1:
         formatted = "\n".join(
-            ["%s: %s" % ((message["role"]).capitalize(), message["content"]) for message in messages]
+            [
+                "%s: %s" % ((message["role"]).capitalize(), message["content"])
+                for message in messages
+            ]
         )
         return f"{formatted}\nAssistant:"
     else:
         return messages[0]["content"]
-    
+
 
 def get_browser(user_data_dir: str = None):
     from undetected_chromedriver import Chrome