diff --git a/m3u8downloader/__init__.py b/m3u8downloader/__init__.py
index 6a9beea82f651e38eec7867b4c22c0c4cf6907eb..3d26edf777ed646f93a5251a6de0c443c106c694 100644
--- a/m3u8downloader/__init__.py
+++ b/m3u8downloader/__init__.py
@@ -1 +1 @@
-__version__ = "0.4.0"
+__version__ = "0.4.1"
diff --git a/m3u8downloader/test_main.py b/m3u8downloader/test_main.py
index 7029b421422486caa0d64ac0906e807a543b4a70..8e44fd4c1af1199d4681a7343aa221e56c172d80 100644
--- a/m3u8downloader/test_main.py
+++ b/m3u8downloader/test_main.py
@@ -20,6 +20,7 @@ def test_http_line_to_relpath_line():
     assert http_line_to_relpath_line("https://m3u.x8sinablog.net/20180627/1530068509/vts/audio000.png") == "20180627/1530068509/vts/audio000.png"
     assert http_line_to_relpath_line("https://m3u.x8sinablog.net/20180627/1530068509/vts/audio000.png?abc=def") == "20180627/1530068509/vts/audio000.png"
 
+
 # test for join
 def test_join():
     assert os.path.normpath(os.path.join("/foo/bar/baz", "./abc.txt")) == "/foo/bar/baz/abc.txt"