Check for empty as well

ChristmasEvent.py

@@ -215,13 +215,13 @@ class ChristmasBot:
 
         data = self.db.get_forest_data()
 
-        if self.last_updated_data and len(self.last_updated_data) == len(data):
+        if self.last_updated_data and (len(self.last_updated_data) == len(data) or len(data) == 0):
             # Nothing changed.
             print(f"No change in dashboard, last checked {now}...", end="\r")
             return
 
         print("📝 Updating Forest Dashboard...")
-
+        self.last_updated_data = data
         body = "# 🎄 The Christmas Forest 🎄\n\n"
         body += "### How to Participate:\n"
         body += "1. Send a DM to u/{}\n".format(config.username)