From 7b08d47158888d131c6fb16181a4d23f147ce963 Mon Sep 17 00:00:00 2001
From: nick2432 <nikhilanand2432@gmail.com>
Date: Thu, 22 Feb 2024 15:27:17 +0530
Subject: [PATCH] fix:import-duplicate-usernames

---
 kolibri/core/auth/management/commands/bulkimportusers.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/kolibri/core/auth/management/commands/bulkimportusers.py b/kolibri/core/auth/management/commands/bulkimportusers.py
index 4a39845373a..400ef4b85e7 100644
--- a/kolibri/core/auth/management/commands/bulkimportusers.py
+++ b/kolibri/core/auth/management/commands/bulkimportusers.py
@@ -270,8 +270,13 @@ def add_check(self, header_name, check, message):
 
     def get_username(self, row):
         username = row.get(self.header_translation["USERNAME"])
-        if username in self.users.keys():
-            return None
+        lowercase_username = username.lower()
+
+        # Convert existing keys in self.users to lowercase
+        lowercase_users = {key.lower(): value for key, value in self.users.items()}
+
+        if lowercase_username in lowercase_users:
+            return None  # Duplicate username
 
         return username