Django'；unicode'；对象没有属性'；字段'；

我最近在django项目中添加了crispy_表单，这导致我得到了

'unicode'对象没有属性'field'

错误。不知道为什么

models.py

class Trip(models.Model):
    location_name = models.CharField(max_length=60)
    trip_date = models.DateField()
    trip_rating = models.IntegerField(validators=[MinValueValidator(1),MaxValueValidator(5)])
    fishing_vehicle = models.ForeignKey(FishingVehicle)
    water_body = models.ForeignKey(WaterBody)
    user = models.ForeignKey(User)
    def __unicode__(self):
        return self.location_name

views.py

@login_required
def logtrip(request):
    if request.method == 'POST':
        form = forms.TripForm(request.POST)
        if form.is_valid():
            trip = form.save(commit=False)
            trip.user = request.user
            trip.save()
            return redirect('home')
        else:
            print form.errors
    else:
        form = forms.TripForm()
    return render_to_response('logtrip.html', {'form': form}, context_instance=RequestContext(request))

forms.py

class TripForm(ModelForm):
    CHOICES = (('1', 'None',), ('2', 'Below Average Amount',), ('3', 'Average Amount',), ('4', 'Above Average Amount',), ('5', 'A Lot/Limited Out',))
    trip_rating = forms.ChoiceField(widget=forms.RadioSelect, choices=CHOICES, label='Fish Caught')
    class Meta:
        model = Trip
        exclude = ['user']
        widgets = {'trip_date': forms.DateInput(attrs={'class':'datepicker'})}

logtrip.html

{% extends "base.html" %}

{% load crispy_forms_tags %}

{% block content %}

<div class="container">
  <!-- Example row of columns -->
  <div class="row">
    <div class="col-md-4">
      <form action="/logtrip/" method="post">
        {% csrf_token %}
        {{ form.as_p|crispy }}
        <input type="submit" value="Submit" />
      </form>
    </div>
  </div>
</div>

{% endblock %}

{%extends“base.html”%}
{%load crispy_forms_tags%}
{%block content%}
{%csrf_令牌%}
{{form.as|p|crispy}}
{%endblock%}

---

当我删除

|crispy

过滤器时，一切都正常工作。

对于任何其他出现此错误的人，我的问题通过更改

{form.as|p}}

到

{form | crispy}

解决。对于任何其他出现此错误的人，我的问题通过将

{form as | crispy}

更改为

{{form | crispy}