From 941bbdc4b5e0ffdc9a5eb32858010dced63485c0 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Mon, 27 Jan 2025 16:01:53 +0000
Subject: [PATCH] minor cleanups, whitespace

---
 mmgen/base_obj.py      | 2 +-
 mmgen/opts.py          | 6 +++++-
 mmgen/proto/btc/rpc.py | 8 +++-----
 test/misc/cfg_main.py  | 3 ++-
 4 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/mmgen/base_obj.py b/mmgen/base_obj.py
index ab9b157f..6ac307b2 100755
--- a/mmgen/base_obj.py
+++ b/mmgen/base_obj.py
@@ -59,7 +59,7 @@ class AttrCtrl(metaclass=AttrCtrlMeta):
 		if self._locked and self._default_to_none:
 			return None
 		else:
-			raise AttributeError(f'{type(self).__name__} object has no attribute {name!r}')
+			raise AttributeError(f'{self} has no attribute {name!r}')
 
 	def __setattr__(self, name, value):
 
diff --git a/mmgen/opts.py b/mmgen/opts.py
index 99261f2b..cd0390be 100755
--- a/mmgen/opts.py
+++ b/mmgen/opts.py
@@ -213,7 +213,11 @@ class Opts:
 		self.global_opts_filter = self.get_global_opts_filter(need_proto)
 		self.opts_data = opts_data
 
-		po = parsed_opts or parse_opts(opts_data, opt_filter, self.global_opts_data, self.global_opts_filter)
+		po = parsed_opts or parse_opts(
+			opts_data,
+			opt_filter,
+			self.global_opts_data,
+			self.global_opts_filter)
 
 		cfg._args = po.cmd_args
 		cfg._uopts = uopts = po.user_opts
diff --git a/mmgen/proto/btc/rpc.py b/mmgen/proto/btc/rpc.py
index de459981..ceccc6c0 100755
--- a/mmgen/proto/btc/rpc.py
+++ b/mmgen/proto/btc/rpc.py
@@ -224,15 +224,13 @@ class BitcoinRPCClient(RPCClient, metaclass=AsyncInit):
 			return
 
 		if self.has_auth_cookie:
-			cookie = self.get_daemon_auth_cookie()
-			if cookie:
+			if cookie := self.get_daemon_auth_cookie():
 				self.auth = auth_data(*cookie.split(':'))
 				return
 
 		die(1, '\n\n' + fmt(no_credentials_errmsg, strip_char='\t', indent='  ').format(
-				proto_name = self.proto.name,
-				cf_name = (self.proto.is_fork_of or self.proto.name).lower(),
-			))
+			proto_name = self.proto.name,
+			cf_name = (self.proto.is_fork_of or self.proto.name).lower()))
 
 	def make_host_path(self, wallet):
 		return f'/wallet/{wallet}' if wallet else self.wallet_path
diff --git a/test/misc/cfg_main.py b/test/misc/cfg_main.py
index eb6dbd7d..450206e4 100755
--- a/test/misc/cfg_main.py
+++ b/test/misc/cfg_main.py
@@ -31,7 +31,8 @@ if op:
 		msg('usr cfg: {}'.format(' '.join(f'{i.name}={i.value}' for i in pu)))
 	elif op == 'coin_specific_vars':
 		for varname in args:
-			msg('{}.{}: {}'.format(
+			msg('{}.{}.{}: {}'.format(
+				cfg._proto.coin.lower(),
 				type(cfg._proto).__name__,
 				varname,
 				getattr(cfg._proto, varname)