Faça o upload do arquivo HTML usando o Flask
<!doctype html>
<html>
<head>
<title>FLASK CSV File Upload</title>
</head>
<body>
<h1>Upload your CSV file</h1>
<form method="POST" action="" enctype="multipart/form-data">
<p><input type="file" name="file"></p>
<p><input type="submit" value="Submit"></p>
</form>
</body>
</html>
Novid19