diff --git a/plugins/currency/bitcoin/bitcoind_ b/plugins/currency/bitcoin/bitcoind_
index cf938d9e..ea42ea20 100755
--- a/plugins/currency/bitcoin/bitcoind_
+++ b/plugins/currency/bitcoin/bitcoind_
@@ -194,12 +194,13 @@ class Options(dict):
             if self.get(name) is None:
                 missing.append(name)
         if len(missing) > 0:
-            print("Missing required setting%s: %s."
-                  % ('s' if len(missing) > 1 else '', ', '.join(missing)), file=sys.stderr)
+            print("Missing required setting%s: %s." % ('s' if len(missing) > 1 else '',
+                                                       ', '.join(missing)),
+                  file=sys.stderr)
             sys.exit(1)
 
 
-class ServiceProxy(object):
+class ServiceProxy:
     """
     Proxy for a JSON-RPC web service. Calls to a function attribute
     generates a JSON-RPC call to the host service. If a callback
@@ -219,7 +220,7 @@ class ServiceProxy(object):
         return Proxy(self, method, id=self.id)
 
 
-class Proxy(object):
+class Proxy:
     def __init__(self, service, method, id=None):
         self.service = service
         self.method = method