Update app.py

app.py

@@ -14,8 +14,8 @@ USERNAME = os.environ["USERNAME"]
 DATASET_NAME = f"{USERNAME}/reddit-{SUBREDDIT}"
 
 FREQUENCY = os.environ.get("FREQUENCY", '').lower()
-if FREQUENCY not in ["daily", "hourly"]:
-    raise gr.Error("FREQUENCY environment variable must be 'daily' or 'hourly'")
+if FREQUENCY not in ["daily", "hourly", "custom"]:
+    raise gr.Error("FREQUENCY environment variable must be 'daily' or 'hourly' or 'custom'")
 
 WEBHOOK_SECRET = os.getenv("HF_WEBHOOK_SECRET", 'secret')