Update app.py

app.py

@@ -24,7 +24,7 @@ with open("tools-intent-detection.json", "r", encoding="utf-8") as file:
 # API configuration
 url = 'https://openai-dev-fra-001.openai.azure.com/openai/deployments/gpt-4o/chat/completions?api-version=2024-10-21'
 headers = {
-    'api-key': API_KEY,
+    'api-key': os.getenv('API_KEY'),
     'Content-Type': 'application/json'
 }