diff --git a/plugins/currency/ethereum/etherscan_balance_ b/plugins/currency/ethereum/etherscan_balance_
index 2445b7f6..497889f4 100755
--- a/plugins/currency/ethereum/etherscan_balance_
+++ b/plugins/currency/ethereum/etherscan_balance_
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 =head1 NAME
@@ -86,7 +86,8 @@ if command == 'config':
     print("wei_balance_{}.label ETH".format(eth_address))
     sys.exit(0)
 
-ethercan_balance_api_url = 'https://api.etherscan.io/api?module=account&action=balance&tag=latest&address=' + eth_address
+ethercan_balance_api_url = ('https://api.etherscan.io/api'
+                            '?module=account&action=balance&tag=latest&address=' + eth_address)
 
 etherscan_req = Request(ethercan_balance_api_url)
 # User-Agent to bypass Cloudflare
@@ -109,8 +110,8 @@ except ValueError:
 
 try:
     eth = int(etherscan_balance['result'])
-except:
+except (KeyError, ValueError) as exc:
     print("JSON result error!", file=sys.stderr)
     sys.exit(9)
 
-print("wei_balance_{}.value {}".format(eth_address, eth));
+print("wei_balance_{}.value {}".format(eth_address, eth))