Untitled

Exception Type: TypeError at /world/market/
Exception Value: list indices must be integers, not str

Environment:
Request Method: GET
Request URL: http://127.0.0.1:8000/world/market/
Django Version: 1.6.5
Python Version: 2.7.7

Installed Applications:
('django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'chartit',
'crispy_forms',
'south',
'agents',
'licensemarket',
'world')

Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware')

Traceback:
File "C:Python27libsite-packagesdjangocorehandlersbase.py" in get_response
112. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:Python27libsite-packagesdjangoviewsgenericbase.py" in view
69. return self.dispatch(request, *args, **kwargs)
File "C:Python27libsite-packagesbracesviews_access.py" in dispatch
64. request, *args, **kwargs)
File "C:Python27libsite-packagesdjangoviewsgenericbase.py" in dispatch
87. return handler(request, *args, **kwargs)
File "C:Python27libsite-packagesdjangoviewsgenericbase.py" in get
154. context = self.get_context_data(**kwargs)
File "V:OCTOBITOCTO ProjectsAnalystIP Exchangeexchangeworldviews.py" in get_context_data
88. 'opposite': True}]
File "C:Python27libsite-packageschartitcharts.py" in __init__
295. self.generate_plot()
File "C:Python27libsite-packageschartitcharts.py" in generate_plot
345. self.datasource.cv]

class MarketInfoView(
    views.LoginRequiredMixin,
    generic.TemplateView
):
    model = models.WorldHistory

    template_name = "world/market.html"

    def get_context_data(self):

        # In this method we create the chart and
        # send to template so that it can be loaded
        marketdata = PivotDataPool(
          series= [
           {'options':{
              'source': AgentPerformance.objects.filter(
                world=models.World.objects.last()),
              'categories': 'period',
              'legend_by': 'agent_name'},
            'terms': {
              'tot_prod':Sum('units_produced')
              ,'market_price':{
                'func': Max('price'),
                'legend_by': None}
                }},
          ],
          # sortf_mapf_mts = (None,self.per_name,False)
        )

        pivcht = PivotChart(
          datasource = marketdata,
          series_options = [
            {'options': {
               'type': 'column',
               'stacking': True,
               'xAxis': 0,
               'yAxis': 0,
               'zAxis': 0},
             'terms': [
                'tot_prod'
                ,
                {'market_price': {
                    'type': 'line',
                    'stacking': False,
                    'yAxis': 1,
                    'zAxis': 1}}
                    ]}],
          chart_options = {
            'title': {
                'text': 'Historical Market Production and Price'},
            'xAxis': [{
                'title': {
                'text': 'Period'}
            }],
            'yAxis': [{
                'title': {
                    'text': 'Units Produced'}
            }, {
                'title': {
                    'text': 'Market Price'},
                'opposite': True}]
          }
        )

        return {'marketchart': pivcht}

<head>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
{% load chartit %}
{{ marketchart|load_charts:"container" }}
</head>
<body>
    <div id='container'>Chart goes here</div>
</body>