Update app.py

app.py

@@ -3,9 +3,15 @@ import anthropic
 import os
 from dotenv import load_dotenv
 
+# Load environment variables from .env file
+load_dotenv()
+
 # API keys
 claude_api_key = os.getenv("ANTHROPIC_API_KEY")
-print(f"Claude API Key: {claude_api_key}")  # Debugging line
+if claude_api_key is None:
+    raise ValueError("Claude API Key is not set. Please check your .env file.")
+
+print(f"Claude API Key: {claude_api_key}")  # Debugging line to check if the key is loaded
 
 # Initialize Claude AI client
 client = anthropic.Anthropic(api_key=claude_api_key)