keygen.py: test_avail(): minor fix

mmgen/keygen.py

@@ -44,7 +44,7 @@ class keygen_base:
 		return None
 
 	@classmethod
-	def test_avail(cls,silent=False):
+	def test_avail(cls,cfg,silent=False):
 		return cls.__name__
 
 backend_data = {
@@ -119,6 +119,6 @@ def KeyGenerator(cfg,proto,pubkey_type,backend=None,silent=False):
 	backend_clsname = getattr(
 		pubkey_type_cls,
 		backend_id.replace('-','_')
-			).test_avail(silent=silent)
+			).test_avail(cfg,silent=silent)
 
 	return getattr(pubkey_type_cls,backend_clsname)(cfg)

mmgen/proto/secp256k1/keygen.py

@@ -29,7 +29,7 @@ class backend:
 				compressed = privkey.compressed )
 
 		@classmethod
-		def test_avail(cls,silent=False):
+		def test_avail(cls,cfg,silent=False):
 			try:
 				from .secp256k1 import priv2pub
 				if not priv2pub(bytes.fromhex('deadbeef'*8),1):
@@ -41,7 +41,7 @@ class backend:
 				if not silent:
 					from ...util import ymsg
 					ymsg(str(e))
-				self.cfg._util.qmsg('Using (slow) native Python ECDSA library for public key generation')
+				cfg._util.qmsg('Using (slow) native Python ECDSA library for public key generation')
 				return 'python_ecdsa'
 
 	class python_ecdsa(keygen_base):