1👍
You have one form for one user. You need a FormSet if you want to use that form to edit multiple tenants. Editing objects and displaying them are entirely different beasts; dont’ confuse them.
formset = modelformset_factory(form=ManageUserForm, queryset=tenants)
Update:
You should have one {{ form.management_form }} and the rest of the {% for form in formset %}{{ form }}{% endfor %} in one <form> tag. All of your forms are the first form in the formset.
You should rewrite your template loop to iterate through formset forms instead of tenant objects. The tenant object can be accessed through {{ form.instance }}
Update 2:
You have an extra form because you probably haven’t passed in the extra=0 parameter to the modelformset_factory function. These forms are typically used to add/edit data; thus it has support for adding N blank forms for creating.