<form enctype="multipart/form-data" action="{% url add_sandwich %}" method="post">
{{ sform.as_p }}
<input type="submit" value="Submit" />
</form>
<form enctype="multipart/form-data" action="{% url add_sandwich %}" method="post">
{{ sform.as_p }}
<input type="submit" value="Submit" />
</form>