html = """
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Case</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body> 
<div class="container">
  <h2>Well</h2>
  <div class="well">Basic Well</div>
</div>
</body>
</html>
"""
minified = htmlmin.minify(html.decode('utf-8'), remove_empty_space=True)
Сжать (свернуть) HTML из python