From 4c6e42958951ca66a6b498b1afce8d8ad4ac2274 Mon Sep 17 00:00:00 2001
From: Bearnardd <43574448+Bearnardd@users.noreply.github.com>
Date: Wed, 21 Jun 2023 12:42:21 +0200
Subject: [PATCH] fix type annotation for debug arg (#24033)

* fix type annotation for debug arg

* fix TypeErorr
---
 src/transformers/training_args.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/transformers/training_args.py b/src/transformers/training_args.py
index 71d75c6e0e..ad0df7f99d 100644
--- a/src/transformers/training_args.py
+++ b/src/transformers/training_args.py
@@ -873,7 +873,7 @@ class TrainingArguments:
             )
         },
     )
-    debug: str = field(
+    debug: Union[str, List[DebugOption]] = field(
         default="",
         metadata={
             "help": (
@@ -1563,8 +1563,11 @@ class TrainingArguments:
             )
             self.debug += " tpu_metrics_debug"
             self.tpu_metrics_debug = False
+
         if isinstance(self.debug, str):
             self.debug = [DebugOption(s) for s in self.debug.split()]
+        elif self.debug is None:
+            self.debug = []
 
         self.deepspeed_plugin = None
         if self.deepspeed: