fix bugs

README.md

@@ -25,7 +25,7 @@ Thanks John Adeojo, who brings this wonderful project to open source community!
    - docker  
    - Hugging Face deploy
 
-WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
+
 
 
 ## TODO
@@ -52,9 +52,9 @@ WARNING: Running pip as the 'root' user can result in broken permissions and con
 
 
 ## FAQ
-1. How this system work?
+1. How this system work? Please draw its workflow
 
-2. 
+2. How 
 
 
 

models/llms.py

@@ -396,7 +396,8 @@ class OpenAIModel(BaseModel):
         # load_config(config_path)
         load_dotenv()
         self.model_endpoint = 'https://api.302.ai/v1/chat/completions'
-        self.api_key = os.getenv('OPENAI_API_KEY')
+        
+        self.api_key = os.environ('OPENAI_API_KEY')
         self.headers = {
             'Content-Type': 'application/json',
             'Authorization': f'Bearer {self.api_key}'