From dd69c7fe7af30e93399312a32740e18f8ede19c8 Mon Sep 17 00:00:00 2001
From: Mihail Shinder <mihail@shinder.ml>
Date: Fri, 19 Nov 2021 14:24:26 +0200
Subject: [PATCH] Unwrap dict when calling

---
 src/PIL/ImageShow.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PIL/ImageShow.py b/src/PIL/ImageShow.py
index b6aa02261..103b7e1c7 100644
--- a/src/PIL/ImageShow.py
+++ b/src/PIL/ImageShow.py
@@ -279,7 +279,7 @@ class CommandViewer(Viewer):
         if not isinstance(command, str):
             raise TypeError(f"'command' must be 'str' not '{type(command)}'")
         values = {"file": quote(file), **options}
-        return command.format(values)
+        return command.format(**values)
 
 
 if __name__ == "__main__":