From 4878b85d2fdba9e7eaefc9ab8005d31d1f829f22 Mon Sep 17 00:00:00 2001
From: Patrick Elmer <patrick@elmer.ws>
Date: Mon, 18 Sep 2023 10:33:38 +0900
Subject: [PATCH] Return empty string if not docstring exists

---
 magicli/magicli.py               | 2 +-
 tests/test_truncate_docstring.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/magicli/magicli.py b/magicli/magicli.py
index c1316f7..c7c3fe2 100644
--- a/magicli/magicli.py
+++ b/magicli/magicli.py
@@ -170,7 +170,7 @@ def make_lines(config):
 
 def truncate_docstring(docstring):
     if not docstring:
-        return docstring
+        return ''
     truncated_docstring = []
     for line in docstring.split('\n'):
         if not line.lstrip():
diff --git a/tests/test_truncate_docstring.py b/tests/test_truncate_docstring.py
index 82b1dbc..69c0f63 100644
--- a/tests/test_truncate_docstring.py
+++ b/tests/test_truncate_docstring.py
@@ -2,7 +2,7 @@ from magicli.magicli import truncate_docstring
 
 
 def test_no_docstring():
-    assert truncate_docstring(None) == None
+    assert truncate_docstring(None) == ''
 
 def test_padded_multiline_string():
     assert truncate_docstring("""This