geodjango - Type Error: Cant convert GeoQueryset object to str implicilty in Django -


i following this tutorial. showing error in view function

type error: cant convert geoqueryset object str implicitly

my view function 

def index(request):     'display map'     waypoints = waypoint.objects.order_by('name')     return render_to_response('waypoints/index.html', {         'title': 'waypoints tutorial',         'waypoints': waypoints,         'content': render_to_string('waypoints/waypoints.html', {'waypoints': waypoints}),     })

it showing error in last line

content': render_to_string('waypoints/waypoints.html', {'waypoints': waypoints})

and waypoints.html 

{% waypoint in waypoints %}     <div id="{{waypoint.id}}" class="waypoint">         {{ waypoint.name }} ({{waypoint.geometry.y}} , {{waypoint.geometry.x }})     </div> {% endfor %}

traceback attached below

environment:   request method: request url: http://127.0.0.1:8080/  django version: 1.8.3 python version: 3.3.5 installed applications: ('django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'django.contrib.gis', 'waypoints') installed middleware:  ('django.contrib.sessions.middleware.sessionmiddleware', 'django.middleware.common.commonmiddleware', 'django.contrib.auth.middleware.authenticationmiddleware', 'django.contrib.auth.middleware.sessionauthenticationmiddleware', 'django.contrib.messages.middleware.messagemiddleware', 'django.middleware.clickjacking.xframeoptionsmiddleware', 'django.middleware.security.securitymiddleware')   traceback:   file "c:\python33\lib\site-packages\django\core\handlers\base.py" in    get_response   132.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)   file "e:\kcube\django\leafletmaps\waypoints\views.py" in index   17.         'content': render_to_string('waypoints/waypoints.html', {'waypoints': waypoints}),   file "c:\python33\lib\site-packages\django\shortcuts.py" in render_to_response   39.         content = loader.render_to_string(template_name, context, using=using)   file "c:\python33\lib\site-packages\django\template\loader.py" in render_to_string   99.         return template.render(context, request)   file "c:\python33\lib\site-packages\django\template\backends\django.py" in render   74.         return self.template.render(context)   file "c:\python33\lib\site-packages\django\template\base.py" in render   209.                     return self._render(context)   file "c:\python33\lib\site-packages\django\template\base.py" in _render   201.         return self.nodelist.render(context)   file "c:\python33\lib\site-packages\django\template\base.py" in render   903.                 bit = self.render_node(node, context)   file "c:\python33\lib\site-packages\django\template\base.py" in render_node   917.         return node.render(context)   file "c:\python33\lib\site-packages\django\template\defaulttags.py" in render   499.                     url = reverse(project_name + '.' + view_name,    exception type: typeerror @ /   exception value: can't convert 'geoqueryset' object str implicitly


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