From 63dde340b6c9dcad74445cdaad21637e126351f9 Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@rami.io>
Date: Tue, 14 Feb 2023 10:29:25 +0100
Subject: [PATCH] Order import: Accept upper-case languages

---
 src/pretix/base/orderimport.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pretix/base/orderimport.py b/src/pretix/base/orderimport.py
index 1e1980fcb..e78f97ff4 100644
--- a/src/pretix/base/orderimport.py
+++ b/src/pretix/base/orderimport.py
@@ -638,6 +638,8 @@ class Locale(ImportColumn):
     def clean(self, value, previous_values):
         if not value:
             value = self.event.settings.locale
+        if isinstance(value, str):
+            value = value.lower()
         if value not in self.event.settings.locales:
             raise ValidationError(_("Please enter a valid language code."))
         return value