Update app.py

app.py

@@ -327,8 +327,8 @@ def generate_code_with_devstral(plan_text, history, file_cache):
     
     # Use Modal app.run() pattern like in the examples
     
-    base_url = os.env("DEVSTRAL_BASE_URL")
-    api_key = os.env("DEVSTRAL_API_KEY")
+    base_url = os.getenv("DEVSTRAL_BASE_URL")
+    api_key = os.getenv("DEVSTRAL_API_KEY")
     print(f"🚀 Generating code using Devstral...")
     print(f"📡 Connecting to: {base_url}")