[Django]-Django – Exception Value: Unexpected end of expression in if tag

replace:

{% elif %}

with

{% else %}

************ Doc about if/else.

if/else can be used following ways:

{% if condition %}
{% endif %}

or

{% if condition1 %}
{% elif condition2 %} # in your case, you are missing condition2
{% endif %}

or

{% if condition1 %}
{% elif condition2 %} 
{% else %}
{% endif %}

or

{% if condition %}
{% else %}
{% endif %}