basicswap-prepare can enable and disable tor config.

tests/basicswap/test_xmr.py

@@ -31,10 +31,12 @@ from basicswap.basicswap_util import (
 )
 from basicswap.util import (
     COIN,
-    toWIF,
     make_int,
     format_amount,
 )
+from basicswap.util.address import (
+    toWIF,
+)
 from basicswap.rpc import (
     callrpc,
     callrpc_cli,