From 4d0fe4dd96c6e3eaa1b183f83e1cd27012c6764b Mon Sep 17 00:00:00 2001
From: Alex Fikl <alexfikl@gmail.com>
Date: Wed, 29 Sep 2021 20:08:16 -0500
Subject: [PATCH] add missing space in exception message
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Co-authored-by: Andreas Klöckner <inform@tiker.net>
---
 arraycontext/container/traversal.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arraycontext/container/traversal.py b/arraycontext/container/traversal.py
index 7270909..421e5a0 100644
--- a/arraycontext/container/traversal.py
+++ b/arraycontext/container/traversal.py
@@ -531,7 +531,7 @@ def flatten(ary: ArrayOrContainerT, actx: ArrayContext) -> Any:
                 # NOTE: we can't do much if the array context fails to ravel,
                 # since it is the one responsible for the actual memory layout
                 if hasattr(subary, "strides"):
-                    strides_msg = f"and strides {subary.strides}"
+                    strides_msg = f" and strides {subary.strides}"
                 else:
                     strides_msg = ""
 
-- 
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