From e5659e410ce26362fcf4fa893d8735c44d89c1b4 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 15 Nov 2020 12:50:55 -0500
Subject: correct expiration_time signature for cache_multi_on_arguments

Change-Id: I1e206f9eae5b751b143a3e301240583a290c06c8
---
 dogpile/cache/region.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dogpile/cache/region.py b/dogpile/cache/region.py
index 273a1c8..65ed334 100644
--- a/dogpile/cache/region.py
+++ b/dogpile/cache/region.py
@@ -1613,7 +1613,7 @@ class CacheRegion:
     def cache_multi_on_arguments(
         self,
         namespace: Optional[str] = None,
-        expiration_time: Optional[float] = None,
+        expiration_time: Union[float, ExpirationTimeCallable, None] = None,
         should_cache_fn: Optional[Callable[[ValuePayload], bool]] = None,
         asdict: bool = False,
         to_str: ToStr = str,
@@ -1763,10 +1763,10 @@ class CacheRegion:
             def creator(*keys_to_create):
                 return user_func(*[key_lookup[k] for k in keys_to_create])
 
-            timeout = (
+            timeout: Optional[float] = (
                 cast(ExpirationTimeCallable, expiration_time)()
                 if expiration_time_is_callable
-                else expiration_time
+                else cast(Optional[float], expiration_time)
             )
 
             result: Union[
-- 
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