From 48a1c305c1ad3094e3e122a9d86f257a1ba9c2e0 Mon Sep 17 00:00:00 2001
From: Drew <drewrisinger@users.noreply.github.com>
Date: Tue, 9 Feb 2021 16:42:39 -0500
Subject: [PATCH] master: fix DeprecationWarning on logger.warn

Resolves error message shown.

The following error message is shown when worker_impl.py:199 is run:

```
WARNING:worker(RID,EXPERIMENT):py.warnings:/nix/store/77sw4p03cb7rdayx86agi4yqxh5wq46b-python3.7-artiq-5.7141.1b68906/lib/python3.7/site-packages/artiq/master/worker_impl.py:199: DeprecationWarning: The 'warn' function is deprecated, use 'warning' instead
  logging.warn(message)
```
---
 artiq/master/worker_impl.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/master/worker_impl.py b/artiq/master/worker_impl.py
index 784e4297a..cd575d214 100644
--- a/artiq/master/worker_impl.py
+++ b/artiq/master/worker_impl.py
@@ -196,7 +196,7 @@ def setup_diagnostics(experiment_file, repository_path):
             message = message.replace(repository_path, "<repository>")
 
         if diagnostic.level == "warning":
-            logging.warn(message)
+            logging.warning(message)
         else:
             logging.error(message)