预期的表或查询集，而不是str

问题描述

我正在尝试使用django-tables2渲染表，但出现以下错误消息：期望的表或查询集，而不是str

views.py：

def getKpiTableCsd(request,report_id):
  template = loader.get_template('kpi/confirm_kpi_csd.html')
  report = get_object_or_404(KpiMembersCsd,id=report_id)
  context = RequestContext(request,{'report': report})
  table_context = KpiMembersCsdTable(KpiMembersCsd.objects.filter(
      id=report_id))  # creating table object not string
  return HttpResponse(template.render(context.flatten()),{'table': table_context})

tables.py：

import django_tables2 as tables
import kpi.models


class KpiMembersCsdTable(tables.Table):
   class Meta:
      model = kpi.models.KpiMembersCsd

跟踪：

  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/core/handlers/exception.py",line 34,in inner
    response = get_response(request)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/core/handlers/base.py",line 115,in _get_response
    response = self.process_exception_by_middleware(e,request)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/core/handlers/base.py",line 113,in _get_response
    response = wrapped_callback(request,*callback_args,**callback_kwargs)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/contrib/auth/decorators.py",line 21,in _wrapped_view
    return view_func(request,*args,**kwargs)
  File "/home/flex/work/02_dolasilla/dolasilla_seite/kpi/views.py",line 32,in getKpiTableCsd
    return HttpResponse(template.render(context.flatten()),File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/backends/django.py",line 61,in render
    return self.template.render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",line 171,in render
    return self._render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",line 163,in _render
    return self.nodelist.render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",line 937,in render
    bit = node.render_annotated(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",line 904,in render_annotated
    return self.render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/loader_tags.py",line 150,in render
    return compiled_parent._render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",line 62,in render
    result = block.nodelist.render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django/template/base.py",in render_annotated
    return self.render(context)
  File "/home/flex/work/02_dolasilla/dolasilla/lib/python3.7/site-packages/django_tables2/templatetags/django_tables2.py",line 145,in render
    raise ValueError("Expected table or queryset,not {}".format(klass))
ValueError: Expected table or queryset,not str

解决方法

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