这个代码 print 打印不出来, firefox 和 chrome 都测了, 这个可能是什么问题?
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
<!-- Magic is here! -->
<py-script>
print("hello")
</py-script>
</body>
</html>