Can't get form errors when using crispy forms - django

Question

I'm using django-crispy-forms, a third party library, in a Django project, I would like to customize a form to get the errors at top of the form, but I can't.
This is a snippet of the code:
{% extends 'base.html' %}
{% load crispy_forms_tags %}
{% block content %}
<div class="col-sm-6">
<h1>Add New Task</h1>
<form action="" method="post">{% csrf_token %}
<div class="row">
<div class="col-sm-12">{{ form|as_crispy_errors:"bootstrap3" }}</div>
<div class="col-sm-10">{{ form.project|as_crispy_field }}</div>
<div class="col-sm-2" id="add-new">
Add new
</div>
</div>
<div class="row">
<div class="col-sm-12">{{ form.title|as_crispy_field }}</div>
</div>
<button class="btn btn-primary" type="submit">Add</button>
</form>
</div>
{% endblock content %}
The view:
def new_task(request):
form = NewTaskForm(request.POST or None)
if form.is_valid():
instance = form.save(commit=False)
instance.save()
return redirect('/pomodoro/home')
return render(request, 'pomodoro/new-task.html', {
'form': form,
})
This is my form:
from django import forms
from .models import Task
class NewTaskForm(forms.ModelForm):
class Meta:
model = Task
fields = ['project', 'title',]