From e47dc47263277d7702c53ebbb5da83aa64ccfc62 Mon Sep 17 00:00:00 2001
From: Max Marrone <max@opentrons.com>
Date: Mon, 31 Mar 2025 14:04:49 -0400
Subject: [PATCH] fix(robot-server): Require clientData keys to have at least
 one character

---
 robot-server/robot_server/client_data/router.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/robot-server/robot_server/client_data/router.py b/robot-server/robot_server/client_data/router.py
index 806e77106345..845284c8561f 100644
--- a/robot-server/robot_server/client_data/router.py
+++ b/robot-server/robot_server/client_data/router.py
@@ -25,7 +25,7 @@
 Key = Annotated[
     str,
     fastapi.Path(
-        pattern="^[a-zA-Z0-9-_]*$",
+        pattern="^[a-zA-Z0-9-_]+$",
         description=(
             "A key for storing and retrieving the piece of data."
             " This should be chosen to avoid colliding with other clients,"