{% if form.errors and not form.non_field_errors and not form.this_is_the_login_form.errors %}
{% if form.errors.items|length == 1 %}Please correct the error below.{% else %}Please correct the errors
below.{% endif %}
{% endif %}
{% if form.non_field_errors or form.this_is_the_login_form.errors %}
{% for error in form.non_field_errors|add:form.this_is_the_login_form.errors %}