From 28007e846f421a5f71357c1d2c2c7e9175b116dc Mon Sep 17 00:00:00 2001
From: Igor Loskutov <igor.loskutoff@gmail.com>
Date: Thu, 18 Dec 2025 13:46:35 -0500
Subject: [PATCH] add forgotten file

---
 server/reflector/utils/common.py | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 server/reflector/utils/common.py

diff --git a/server/reflector/utils/common.py b/server/reflector/utils/common.py
new file mode 100644
index 00000000..f5fa4cbf
--- /dev/null
+++ b/server/reflector/utils/common.py
@@ -0,0 +1,4 @@
+def assert_not_none[T](value: T | None, message: str = "Value is None") -> T:
+    if value is None:
+        raise ValueError(message)
+    return value