use crispy-forms to render filter

computers/templates/computers/all_computers.html

@@ -1,12 +1,13 @@
 {% extends "core/base.html" %}
 {% load render_table from django_tables2 %}
+{% load crispy_forms_tags %}
 
 {% block section_title %}List of Computers{% endblock %}
 {% block content %}
 <p>
     <form action="" method="get" class="form form-inline">
         {% csrf_token %}
-        {{ filter.form.as_p }}
+        {{ filter.form|crispy }}
         <input type="submit" value="Filter" class="btn btn-primary">
     </form>
 </p>