diff --git a/dkredis/dkredis.py b/dkredis/dkredis.py
index a269eb6..85f14fe 100644
--- a/dkredis/dkredis.py
+++ b/dkredis/dkredis.py
@@ -470,7 +470,8 @@ def rate_limiting_lock(resources, seconds=30, cn=None):
 
 
 @contextmanager
-def mutex(name, seconds: int=30, timeout: int=60, unlock: bool=True, waitsecs: int=3):
+def mutex(name, seconds: int = 30, timeout: int = 60,
+          unlock: bool = True, waitsecs: int = 3):
     """Lock the ``name`` for ``seconds``, waiting ``waitsecs`` seconds
        between each attempt at locking the name.  Locking means creating
        a key 'dkredis:mutex:' + key.
diff --git a/dkredis/rediscache.py b/dkredis/rediscache.py
index a39e725..b6adc79 100644
--- a/dkredis/rediscache.py
+++ b/dkredis/rediscache.py
@@ -100,7 +100,8 @@ def put(cls, key, value, duration=None):
         # writeln("....cache:put:setex(%r, %r, %r) for %r" % (
         #     k, _duration, v, key
         # ))
-        log.debug("....cache:put:setex(%r, %r, %r) for %r", k, _duration, v, key)
+        log.debug("....cache:put:setex(%r, %r, %r) for %r",
+                  k, _duration, v, key)
         r.set(k, v, ex=_duration)
 
     @classmethod