[django_tables2] Expected table or queryset, not 'str'.

Tue, 09 Apr 2013 12:06:59 -0700 

ValueError at /plyn

Expected table or queryset, not 'str'.

Request Method:GETRequest URL:http://127.0.0.1:8000/plynDjango 
Version:1.5Exception 
Type:ValueErrorException Value:

Expected table or queryset, not 'str'.

Exception 
Location:/usr/lib/python2.7/site-packages/django_tables2-0.13.0-py2.7.egg/django_tables2/templatetags/django_tables2.py
 
in render, line 176Python Executable:/usr/bin/pythonPython Version:2.7.3Python 
Path:

['/home/tpelka/workspace/energie/wsgi/energie',
 '/usr/lib/python2.7/site-packages/ropevim-0.4-py2.7.egg',
 '/usr/lib/python2.7/site-packages/ropemode-0.2-py2.7.egg',
 '/usr/lib/python2.7/site-packages/rope-0.9.4-py2.7.egg',
 '/usr/lib/python2.7/site-packages/mozmill-1.5.20-py2.7.egg',
 '/usr/lib/python2.7/site-packages/ManifestDestiny-0.2.2-py2.7.egg',
 '/usr/lib/python2.7/site-packages/mozrunner-2.5.14-py2.7.egg',
 '/usr/lib/python2.7/site-packages/jsbridge-2.4.16-py2.7.egg',
 '/usr/lib/python2.7/site-packages/virtualenv-1.9.1-py2.7.egg',
 '/usr/lib/python2.7/site-packages/django_tables2-0.13.0-py2.7.egg',
 '/usr/share/qa-tools/python-modules',
 '/usr/lib64/python27.zip',
 '/usr/lib64/python2.7',
 '/usr/lib64/python2.7/plat-linux2',
 '/usr/lib64/python2.7/lib-tk',
 '/usr/lib64/python2.7/lib-old',
 '/usr/lib64/python2.7/lib-dynload',
 '/usr/lib64/python2.7/site-packages',
 '/usr/lib64/python2.7/site-packages/gst-0.10',
 '/usr/lib64/python2.7/site-packages/gtk-2.0',
 '/usr/lib64/python2.7/site-packages/wx-2.8-gtk2-unicode',
 '/usr/lib/python2.7/site-packages',
 '/usr/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info']

Server time:út, 9 Dub 2013 20:55:56 +0200


Any clue why this error happen. Sources attached.

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{% extends "base.html" %} {% block title %} Energie - plyn {% endblock %} {% load render_table from django_tables2 %} {% block content %}
{% render_table table %}
{% endblock %}
Title: {% block title %}Energie{% endblock %}
{% block content %}{% endblock %} 
# -*- coding: utf-8 -*-
import django_tables2 as tables
from energie.models import Record

class RecordTable(tables.Table):
    date = tables.Column()

    class Meta:
        model = Record
        # add class="paleblue" to <table> tag
        #attrs = {"class": "paleblue"}

# -*- coding: utf-8 -*-
from django.db import models
from django.contrib import admin


class Record(models.Model):
    date = models.DateField('?as zad?n?')
    water = models.ForeignKey('Water', verbose_name='Voda')
    gas = models.ForeignKey('Gas', verbose_name='Plyn')
    el = models.ForeignKey('El', verbose_name='Elekt?ina')
    note = models.TextField('Pozn?mka', blank=True)

    def __unicode__(self):
        return unicode(self.date)

    class Meta:
        ordering = ['date']
        verbose_name = 'z?znam'
        verbose_name_plural = 'z?znamy'

class RecordAdmin(admin.ModelAdmin):
    list_display = ('date', 'water', 'gas', 'el', 'note')
    search_fields = ['date']
    date_hierarchy = 'date'

class Water(models.Model):
    water = models.DecimalField('Stav vody', max_digits=5, decimal_places=1)
    water_delta = models.DecimalField('Spot?eba vody',
            max_digits=4, decimal_places=1, default=1)

    def __unicode__(self):
        return unicode(self.water)

    class Meta:
        verbose_name = 'voda'
        verbose_name_plural = 'voda'

class WaterAdmin(admin.ModelAdmin):
    list_display = ('water', 'water_delta')

class Gas(models.Model):
    gas = models.DecimalField('Stav plynu', max_digits=8, decimal_places=1)
    gas_delta = models.DecimalField('Spot?eba plynu',
            max_digits=4, decimal_places=1, default=1)

    def __unicode__(self):
        return unicode(self.gas)

    class Meta:
        verbose_name = 'plyn'
        verbose_name_plural = 'plyn'

class GasAdmin(admin.ModelAdmin):
    list_display = ('gas', 'gas_delta')

class El(models.Model):
    el1 = models.DecimalField('Stav elekt?iny', max_digits=8, decimal_places=1)
    el1_delta = models.DecimalField('Spot?eba elekt?iny',
            max_digits=4, decimal_places=1, default=1)
    el2 = models.DecimalField('Stav elekt?iny (no?n? proud)',
            max_digits=8, decimal_places=1)
    el2_delta = models.DecimalField('Spot?eba elekt?iny (no?n? proud)',
            max_digits=4, decimal_places=1, default=1)

    def __unicode__(self):
        return unicode(self.el1)

    class Meta:
        verbose_name = 'elekt?ina'
        verbose_name_plural = 'elekt?ina'

class ElAdmin(admin.ModelAdmin):
    list_display = ('el1', 'el1_delta', 'el2', 'el2_delta')

admin.site.register(Record, RecordAdmin)
admin.site.register(Water, WaterAdmin)
admin.site.register(Gas, GasAdmin)
admin.site.register(El, ElAdmin)


# -*- coding: utf-8 -*-
import os
from django.shortcuts import render_to_response, render
from django_tables2 import RequestConfig
from django.template import RequestContext
from energie.models import Record
from energie.tables import RecordTable

def home(request):
    return render_to_response('home.html', {}, context_instance=RequestContext(request))

def plyn(request):
    table = RecordTable(Record.objects.all())
    RequestConfig(request).configure(table)
    return render(request, 'plyn.html', {'table': table})
#    return render_to_response('plyn.html', {"records": table,}, context_instance=RequestContext(request))

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