From e98e6acae1c01d0de27ddfaeafd795fa02773959 Mon Sep 17 00:00:00 2001
From: allegroai <>
Date: Thu, 3 Feb 2022 15:29:56 +0200
Subject: [PATCH] Fix nargs="?" without type does not properly cast the default
 value (#531)

---
 clearml/backend_interface/task/args.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/clearml/backend_interface/task/args.py b/clearml/backend_interface/task/args.py
index 1f2cc78b..053cd6ea 100644
--- a/clearml/backend_interface/task/args.py
+++ b/clearml/backend_interface/task/args.py
@@ -313,7 +313,13 @@ class _Arguments(object):
                     # now we should try and cast the value if we can
                     # noinspection PyBroadException
                     try:
-                        v = var_type(v)
+                        # Since we have no actual var type here, we check if the string presentation of the original
+                        # default value and the new value are the same, if they are,
+                        # we should just use the original default value
+                        if str(v) == str(current_action.default):
+                            v = current_action.default
+                        else:
+                            v = var_type(v)
                         # cast back to int if it's the same value
                         if type(current_action.default) == int and int(v) == v:
                             arg_parser_arguments[k] = v = int(v)