From 25a361bb14fcd66a26535093e0c05b5cf84e69d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20K=C3=B6ster?= <johannes.koester@tu-dortmund.de>
Date: Fri, 10 May 2024 13:01:05 +0200
Subject: [PATCH] fix: fix missing await when opening checkpoint output (#2868)

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### QC
<!-- Make sure that you can tick the boxes below. -->

* [x] The PR contains a test case for the changes or the changes are
already covered by an existing test case.
* [x] The documentation (`docs/`) is updated to reflect the changes or
this is not necessary (e.g. if the change does neither modify the
language nor the behavior or functionalities of Snakemake).
---
 snakemake/io.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snakemake/io.py b/snakemake/io.py
index 6ac87b559..fb680bd3a 100755
--- a/snakemake/io.py
+++ b/snakemake/io.py
@@ -327,7 +327,7 @@ def open(self, mode="r", buffering=-1, encoding=None, errors=None, newline=None)
         This can (and should) be used in a `with`-statement.
         If the file is a remote storage file, retrieve it first if necessary.
         """
-        if self.is_storage and not self.exists_local():
+        if self.is_storage and not async_run(self.exists_local()):
             async_run(self.retrieve_from_storage())
         f = open(
             self,