From 768410a6c99318bc7db288ef76a3cf1463b6dee2 Mon Sep 17 00:00:00 2001
From: BO ZHANG <bozhang@nao.cas.cn>
Date: Sat, 8 Oct 2022 14:00:27 +0800
Subject: [PATCH] tweaks

---
 csst_proto/demo.py                | 5 +++++
 csst_proto/top_level_interface.py | 1 -
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/csst_proto/demo.py b/csst_proto/demo.py
index 3d753e8..8771fef 100644
--- a/csst_proto/demo.py
+++ b/csst_proto/demo.py
@@ -9,6 +9,11 @@ def a_demo_function(*args):
     *args : any
         The argument list.
 
+    Returns
+    -------
+    int
+        The number of input arguments.
+
     Examples
     --------
     >>> a_demo_function(None)
diff --git a/csst_proto/top_level_interface.py b/csst_proto/top_level_interface.py
index 7e4531e..127ae1b 100644
--- a/csst_proto/top_level_interface.py
+++ b/csst_proto/top_level_interface.py
@@ -1,5 +1,4 @@
 from .flip_image import flip_image, read_test_image
 from .demo import a_demo_function, ADemoClass
 
-
 __all__ = ["flip_image", "read_test_image", "a_demo_function", "ADemoClass"]
-- 
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