1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py
index 88e56e3302..e27917c63a 100644
--- a/synapse/util/caches/descriptors.py
+++ b/synapse/util/caches/descriptors.py
@@ -149,7 +149,7 @@ class CacheDescriptor(object):
         self.lru = lru
         self.tree = tree
 
-        self.arg_names = inspect.getargspec(orig).args[1:num_args+1]
+        self.arg_names = inspect.getargspec(orig).args[1:num_args + 1]
 
         if len(self.arg_names) < self.num_args:
             raise Exception(
@@ -250,7 +250,7 @@ class CacheListDescriptor(object):
         self.num_args = num_args
         self.list_name = list_name
 
-        self.arg_names = inspect.getargspec(orig).args[1:num_args+1]
+        self.arg_names = inspect.getargspec(orig).args[1:num_args + 1]
         self.list_pos = self.arg_names.index(self.list_name)
 
         self.cache = cache