Update app.py

app.py

@@ -9,6 +9,8 @@ from Gradio_UI import GradioUI
 from typing import Dict, List
 from bs4 import BeautifulSoup
 
+apikey = os.getenv("OPENAI_API_KEY")
+
 @tool
 def get_exchange_rate(base_currency: str, target_currency: str) -> float:
     """A tool that fetches the current exchange rate between two currencies.  
@@ -80,7 +82,7 @@ def get_supported_currencies() -> List[Dict[str, str]]:
     return response.json()["data"]
 
 final_answer = FinalAnswerTool()
-
+"""
 model = HfApiModel(
     max_tokens=2096,
     temperature=0.5,
@@ -92,10 +94,10 @@ model = OpenAIServerModel(
     max_tokens=2096,
     temperature=0.5,
     model_id="gpt-4o-mini",
-    api_key= api_key,
+    api_key= apikey,
     custom_role_conversions=None,
 )
-"""
+
 
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)