Substitui o POST padrao do crispy forms por GET

materia/forms.py

@@ -744,6 +744,7 @@ class MateriaLegislativaPesquisaFields(FilterSet):
              ('ementa', 6)])
 
         self.form.helper = FormHelper()
+        self.form.helper.form_method = 'GET'
         self.form.helper.layout = Layout(
             Fieldset(_('Pesquisa Básica'),
                      row1, row2, row3, row4,

templates/materia/materialegislativa_filter.html

@@ -8,7 +8,10 @@
 {% block detail_content %}
   <h1><b>Pesquisar Matéria</b></h1>
   <br></br>
- {% crispy filter.form %}
+ 
+
+  {% crispy filter.form %}
+        
   <p></p>
   <table class="table table-striped table-bordered">
         <thead class="thead-default">