From d2bd996abe89a0bd3283072766612e8bd977415f Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Mon, 26 Oct 2026 13:36:47 +0000
Subject: [PATCH] ruff exceptions: KeyError

---
 mmgen/obj.py                 | 2 +-
 mmgen/passwdlist.py          | 2 +-
 mmgen/proto/btc/rpc/local.py | 4 ++--
 mmgen/rpc/local.py           | 4 ++--
 test/altcointest.py          | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/mmgen/obj.py b/mmgen/obj.py
index ca2668ca..706766b1 100644
--- a/mmgen/obj.py
+++ b/mmgen/obj.py
@@ -154,7 +154,7 @@ class ListItemAttr(ImmutableAttr):
 		"return None if attribute doesn't exist"
 		try:
 			return instance.__dict__[self.name]
-		except:
+		except KeyError:
 			return None
 
 	def setattr_condition(self, instance):
diff --git a/mmgen/passwdlist.py b/mmgen/passwdlist.py
index 0144b26a..1e9bc81a 100644
--- a/mmgen/passwdlist.py
+++ b/mmgen/passwdlist.py
@@ -165,7 +165,7 @@ class PasswordList(AddrList):
 				pw_bytes = xmrseed().seedlen_map_rev[self.pw_len]
 				try:
 					good_pw_len = xmrseed().seedlen_map[seed.byte_len]
-				except:
+				except KeyError:
 					die(1, f'{seed.byte_len*8}: unsupported seed length for Monero new-style mnemonic')
 			case 'b32' | 'b58' as pf:
 				pw_int = (32 if pf == 'b32' else 58) ** self.pw_len
diff --git a/mmgen/proto/btc/rpc/local.py b/mmgen/proto/btc/rpc/local.py
index e505022b..336e6ced 100644
--- a/mmgen/proto/btc/rpc/local.py
+++ b/mmgen/proto/btc/rpc/local.py
@@ -392,13 +392,13 @@ class BitcoinRPCClient(RPCClient, metaclass=AsyncInit):
 			try:
 				if d['softforks']['segwit']['active'] is True:
 					return True
-			except:
+			except KeyError:
 				pass
 
 			try:
 				if d['bip9_softforks']['segwit']['status'] == 'active':
 					return True
-			except:
+			except KeyError:
 				pass
 
 			return self.cfg.test_suite and self.chain != 'regtest'
diff --git a/mmgen/rpc/local.py b/mmgen/rpc/local.py
index 5409f55e..58df7ee6 100644
--- a/mmgen/rpc/local.py
+++ b/mmgen/rpc/local.py
@@ -172,10 +172,10 @@ class RPCClient:
 						t = json.loads(text)
 						try:
 							m = t['error']['message']
-						except:
+						except KeyError:
 							try:
 								m = t['error']
-							except:
+							except KeyError:
 								m = t
 					die('RPCFailure', m)
 		else:
diff --git a/test/altcointest.py b/test/altcointest.py
index d7be3f16..9198a1e6 100755
--- a/test/altcointest.py
+++ b/test/altcointest.py
@@ -372,7 +372,7 @@ class TestCoinInfo(CoinInfo):
 
 		try:
 			bl = cls.external_tests_blacklist[addr_type][tool]
-		except:
+		except KeyError:
 			pass
 		else:
 			if bl is True or coin in bl: