From 27289d2049d70f8867e7d43b342fbacf3993527c Mon Sep 17 00:00:00 2001
From: Charlie Brown <cntvc@outlook.com>
Date: Mon, 22 Apr 2024 02:26:17 +0800
Subject: [PATCH] Fixed the error of not correctly parsing single literal
 parameters.

---
 src/pdm/backend/utils.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pdm/backend/utils.py b/src/pdm/backend/utils.py
index 6b5d71c..66d72eb 100644
--- a/src/pdm/backend/utils.py
+++ b/src/pdm/backend/utils.py
@@ -215,7 +215,10 @@ def evaluate_module_attribute(
         obj: Any = functools.reduce(getattr, attrs, module)
         args_group = matched.group(3)
         if args_group:
+            # make tuple
+            args_group = args_group.strip()[:-1] + ",)"
             args = ast.literal_eval(args_group)
+
         else:
             args = ()
         return obj, args