Update app.py

app.py

@@ -3,8 +3,11 @@ from transformers import pipeline
 import openai
 import os
 
-# Get OpenAI API key securely
-openai_api_key = os.getenv("OPENAI_API_KEY") or "sk-your-correct-key-here"
+# Get OpenAI API key securely (without fallback to dummy key)
+openai_api_key = os.getenv("OPENAI_API_KEY")
+if not openai_api_key:
+    raise ValueError("❌ OPENAI_API_KEY environment variable not set.")
+
 client = openai.OpenAI(api_key=openai_api_key)
 
 # Load local model for code classification