ruff C401 (unnecessary generator (rewrite as set comprehension))

mmgen/protocol.py

@@ -87,7 +87,7 @@ class CoinProtocol(MMGenObject):
 				self.wif_ver_bytes = {k: bytes.fromhex(v) for k, v in self.wif_ver_num.items()}
 				self.wif_ver_bytes_to_pubkey_type = {v: k for k, v in self.wif_ver_bytes.items()}
 				vbs = list(self.wif_ver_bytes.values())
-				self.wif_ver_bytes_len = len(vbs[0]) if len(set(len(b) for b in vbs)) == 1 else None
+				self.wif_ver_bytes_len = len(vbs[0]) if len({len(b) for b in vbs}) == 1 else None
 
 			if hasattr(self, 'addr_ver_info'):
 				self.addr_ver_bytes = {bytes.fromhex(k): v for k, v in self.addr_ver_info.items()}

mmgen/xmrwallet/ops/__init__.py

@@ -46,7 +46,7 @@ class OpBase:
 		self.tx_dir = 'txauto_dir' if self.compat_call else 'xmr_tx_dir'
 
 		classes = tuple(gen_classes())
-		self.opts = tuple(set(opt for cls in classes for opt in xmrwallet.opts))
+		self.opts = tuple({opt for cls in classes for opt in xmrwallet.opts})
 
 		if not hasattr(self, 'stem'):
 			self.stem = self.name

pyproject.toml

@@ -21,7 +21,6 @@ ignore = [
 	"B018", # Found useless expression. Either assign it to a variable or remove it.
 	"B026", # Star-arg unpacking after a keyword argument is strongly discouraged
 	"BLE001", # Do not catch blind exception: `Exception`
-	"C401", # Unnecessary generator (rewrite as a set comprehension)
 	"C402", # Unnecessary generator (rewrite as a dict comprehension)
 	"C409", # Unnecessary list literal passed to `tuple()` (rewrite as a tuple literal)
 	"C410", # Unnecessary list literal passed to `list()` (remove the outer call to `list()`)

test/modtest_d/amt.py

@@ -14,7 +14,7 @@ from mmgen.amt import TokenAmt
 from ..include.common import cfg, vmsg
 
 def get_protos(data):
-	return {coin: init_proto(cfg, coin, need_amt=True) for coin in set(d[0] for d in data)}
+	return {coin: init_proto(cfg, coin, need_amt=True) for coin in {d[0] for d in data}}
 
 def test_to_unit(data):
 	protos = get_protos(data)