fix: update the last successful update only when it's greater

example_publisher/publisher.py

@@ -142,7 +142,7 @@ async def on_notify_price_sched(self, subscription: int) -> None:
         await self.pythd.update_price(
             product.price_account, scaled_price, scaled_conf, TRADING
         )
-        self.last_successful_update = price.timestamp
+        self.last_successful_update = max(self.last_successful_update, price.timestamp)
 
     def apply_exponent(self, x: float, exp: int) -> int:
         return int(x * (10 ** (-exp)))