Python 无法导入名称上载文档表单

我认为这是一个相当常见的错误，应该是循环进口的问题。但是我在这里找不到实际的问题，我在第3行views.py上得到了一个错误

我遵循了本教程：

forms.py

from django import forms

class UploadDocumentForm(forms.Form):
file = forms.FileField(label='Select a file',
help_text='*.odt only')

views.py

from django.http import HttpResponseRedirect
from django.shortcuts import render_to_response
from .forms import UploadDocumentForm

# Create your views here.

def upload_document(request):
if request.method == 'POST':
    form = UploadDocumentForm(request.POST, request.FILES)
    if form.is_valid():
        return HttpResponseRedirect('/success/url/')
else:
    form = UploadDocumentForm()
return render_to_response('upload.html', {'form': form})

谢谢你的帮助

编辑：

回溯：
get_响应中的文件“/usr/local/lib/python2.7/dist packages/django/core/handlers/base.py”
101解析程序匹配=解析程序.resolve（请求.path\u信息）
解析中的文件“/usr/local/lib/python2.7/dist packages/django/core/urlresolvers.py”
337对于self.url_模式中的模式：
url_模式中的文件“/usr/local/lib/python2.7/dist packages/django/core/urlresolvers.py”
365patterns=getattr（self.urlconf_模块，“urlpatterns”，self.urlconf_模块）
urlconf_模块中的文件“/usr/local/lib/python2.7/dist packages/django/core/urlresolvers.py”
360self.\u urlconf\u module=import\u模块（self.urlconf\u名称）
导入模块中的文件“/usr/local/lib/python2.7/dist packages/django/utils/importlib.py”
40.         __导入（名称）
文件“/home/bla/dev/blubb/nope/nope/url.py”
12url（r“^nope\u app/”，包括（'nope\u app.url'），
include中的文件“/usr/local/lib/python2.7/dist-packages/django/conf/url/__-init__;u.py”
26urlconf_模块=导入_模块（urlconf_模块）
导入模块中的文件“/usr/local/lib/python2.7/dist packages/django/utils/importlib.py”
40.         __导入（名称）
文件“/home/bla/dev/blubb/nope/nope_app/url.py”
3.导入视图
文件“/home/bla/dev/blubb/nope/nope_app/views.py”
3.从.forms导入上载文档表单
异常类型：在/
异常值：无法导入名称UploadDocumentForm

我将名称从UploadDocumentForm更改为UploadFileForm，以某种方式解决了问题。

错误消息是什么，traceback？此应用程序中是否有ab init.py文件？它们是否包含对forms.py的导入？我有一个init.py，但我没有在那里导入表单。“from forms import*”抛出相同的错误。很遗憾，您是否有名为forms的应用程序？如果打开

/manage.py shell

和

导入表单

，将导入哪个模块？不，没有应用程序名称和“表单”。无法从manage.py shell导入表单

    Traceback:
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response
  101.                 resolver_match = resolver.resolve(request.path_info)
File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in resolve
  337.             for pattern in self.url_patterns:
File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in url_patterns
  365.         patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in urlconf_module
  360.             self._urlconf_module = import_module(self.urlconf_name)
File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py" in import_module
  40.         __import__(name)
File "/home/bla/dev/blubb/nope/nope/urls.py" in <module>
  12.     url(r'^nope_app/', include('nope_app.urls')),
File "/usr/local/lib/python2.7/dist-packages/django/conf/urls/__init__.py" in include
  26.         urlconf_module = import_module(urlconf_module)
File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py" in import_module
  40.         __import__(name)
File "/home/bla/dev/blubb/nope/nope_app/urls.py" in <module>
  3. import views
File "/home/bla/dev/blubb/nope/nope_app/views.py" in <module>
  3. from .forms import UploadDocumentForm

Exception Type: ImportError at /
Exception Value: cannot import name UploadDocumentForm