diff --git a/markdown_it/__init__.py b/markdown_it/__init__.py
index 14ad5f7b..d5c113bb 100644
--- a/markdown_it/__init__.py
+++ b/markdown_it/__init__.py
@@ -1,4 +1,5 @@
-from .main import MarkdownIt  # noqa: F401
+from .main import MarkdownIt
 
 
+__all__ = ["MarkdownIt"]
 __version__ = "1.1.0"