From ae47a5ffafc494c3929d52ca7ac37f73484987b5 Mon Sep 17 00:00:00 2001
From: 4tochka <admin@bitaps.com>
Date: Thu, 29 Mar 2018 13:19:49 +0400
Subject: [PATCH] output serialize

---
 pybtc/tools.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pybtc/tools.py b/pybtc/tools.py
index 0b00cf7..069fdbb 100644
--- a/pybtc/tools.py
+++ b/pybtc/tools.py
@@ -274,7 +274,10 @@ def is_address_valid(address, testnet = False):
                                  MAINNET_SEGWIT_ADDRESS_PREFIX):
         if len(address) not in (42, 62):
             return False
-        prefix, payload = address.split('1')
+        try:
+            prefix, payload = address.split('1')
+        except:
+            return False
         upp = True if prefix[0].isupper() else False
         for i in payload[1:]:
             if upp: