From 7435bf72dc63b58025b0572ccf905144d13ceb73 Mon Sep 17 00:00:00 2001
From: Matthias Kestenholz <mk@feinheit.ch>
Date: Fri, 24 Nov 2023 16:11:53 +0100
Subject: [PATCH] Oops

---
 imagefield/management/commands/process_imagefields.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/imagefield/management/commands/process_imagefields.py b/imagefield/management/commands/process_imagefields.py
index b6d2923..df11c03 100644
--- a/imagefield/management/commands/process_imagefields.py
+++ b/imagefield/management/commands/process_imagefields.py
@@ -56,7 +56,7 @@ def _compile_imagefield_labels(self, options):
         elif options["field"]:
             fields = set()
             known = [f.field_label for f in IMAGEFIELDS]
-            unknown = {}
+            unknown = set()
             for field in options["field"]:
                 if new := {f for f in known if fnmatch(f, field)}:
                     fields |= new