test fix for failed abi lookup

monitor.py

@@ -40,6 +40,9 @@ class EventMonitor:
             token_abi = fetch_abi(token_address, key=self.config['etherscan_key'])
         except Exception as err:
             logger.warning(f"Failed to fetch info for {token_address}: {err}")
+            token_abi = None
+
+        if not token_abi:
             return {
                 'name': None,
                 'symbol': None,