Fixed cluster client lock signature

Author: WisdomPill

redis/client.py

@@ -1111,7 +1111,6 @@ def lock(
         Note this value can be overridden by passing a ``blocking``
         argument to ``acquire``.
 
-
         ``blocking_timeout`` indicates the maximum amount of time in seconds to
         spend trying to acquire the lock. A value of ``None`` indicates
         continue trying forever. ``blocking_timeout`` can be specified as a

redis/cluster.py

@@ -801,6 +801,7 @@ def lock(
         name,
         timeout=None,
         sleep=0.1,
+        blocking=True,
         blocking_timeout=None,
         lock_class=None,
         thread_local=True,
@@ -816,6 +817,12 @@ def lock(
         when the lock is in blocking mode and another client is currently
         holding the lock.
 
+        ``blocking`` indicates whether calling ``acquire`` should block until
+        the lock has been acquired or to fail immediately, causing ``acquire``
+        to return False and the lock not being acquired. Defaults to True.
+        Note this value can be overridden by passing a ``blocking``
+        argument to ``acquire``.
+
         ``blocking_timeout`` indicates the maximum amount of time in seconds to
         spend trying to acquire the lock. A value of ``None`` indicates
         continue trying forever. ``blocking_timeout`` can be specified as a
@@ -858,6 +865,7 @@ def lock(
             name,
             timeout=timeout,
             sleep=sleep,
+            blocking=blocking,
             blocking_timeout=blocking_timeout,
             thread_local=thread_local,
         )