A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/opt/local/toolkit/python/flup/server/scgi_base.py in run(self=<flup.server.scgi_base.Request object>)

190             self.logger.exception('Exception caught from handler')

191             if not self.stdout.dataWritten:

192                 self._conn.server.error(self)

193

194         end = datetime.datetime.now()

self = <flup.server.scgi_base.Request object>, self._conn = <flup.server.scgi_base.Connection object>, self._conn.server = <flup.server.scgi_fork.WSGIServer object>, self._conn.server.error = <bound method WSGIServer.error of <flup.server.scgi_fork.WSGIServer object>>

/opt/local/toolkit/python/flup/server/scgi_base.py in handler(self=<flup.server.scgi_fork.WSGIServer object>, request=<flup.server.scgi_base.Request object>)

478         finally:

479             if not self.multithreaded:

480                 self._appLock.release()

481

482     def _sanitizeEnv(self, environ):

self = <flup.server.scgi_fork.WSGIServer object>, self._appLock = <thread.lock object>, self._appLock.release = <built-in method release of thread.lock object>

/opt/local/appserv_bundle/django/core/handlers/wsgi.py in __call__(self=<django.core.handlers.wsgi.WSGIHandler instance>, environ={'CONTENT_LENGTH': '0', 'DOCUMENT_ROOT': '/internet/www/', 'HTTP_ACCEPT': 'Accept: application/xhtml+xml,text/html;q=0.9,text/plain;', 'HTTP_ACCEPT_CHARSET': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7', 'HTTP_ACCEPT_ENCODING': 'gzip', 'HTTP_ACCEPT_LANGUAGE': 'en-us,en;q=0.5', 'HTTP_CACHE_CONTROL': 'no-cache', 'HTTP_CONNECTION': 'close', 'HTTP_HOST': 'www.marconews.com', 'HTTP_PRAGMA': 'no-cache', ...}, start_response=<function start_response>)

154             response = self.get_response(request.path, request)

155         finally:

156             db.db.close()

157

158         # Apply response middleware

db = <module 'django.core.db' from '/opt/local/appserv_bundle/django/core/db/__init__.pyc'>, db.db = <django.core.db.backends.postgresql.DatabaseWrapper instance>, db.db.close = <bound method DatabaseWrapper.close of <django.c...db.backends.postgresql.DatabaseWrapper instance>>

/opt/local/appserv_bundle/django/core/handlers/base.py in get_response(self=<django.core.handlers.wsgi.WSGIHandler instance>, path='/news/2008/jan/13/you-review-food/', request=<DjangoRequest GET:{}, POST:{}, COOKIES:{}, META...gi.url_scheme': 'http', 'wsgi.version': (1, 0)}>)

131                 return self.get_technical_error_response(request)

132             else:

133                 return self.get_friendly_error_response(request, resolver)

134         except: # Handle everything else, including SuspiciousOperation, etc.

135             # Dump the error before something else goes wrong

self = <django.core.handlers.wsgi.WSGIHandler instance>, self.get_friendly_error_response = <bound method WSGIHandler.get_friendly_error_res...<django.core.handlers.wsgi.WSGIHandler instance>>, request = <DjangoRequest GET:{}, POST:{}, COOKIES:{}, META...gi.url_scheme': 'http', 'wsgi.version': (1, 0)}>, resolver = <django.core.urlresolvers.RegexURLResolver object>

/opt/local/appserv_bundle/django/core/handlers/base.py in get_friendly_error_response(self=<django.core.handlers.wsgi.WSGIHandler instance>, request=<DjangoRequest GET:{}, POST:{}, COOKIES:{}, META...gi.url_scheme': 'http', 'wsgi.version': (1, 0)}>, resolver=<django.core.urlresolvers.RegexURLResolver object>)

166         except:

167             from django.views.defaults import server_error

168             return server_error(request)

169

170     def get_technical_error_response(self, request, is404=False, exception=None):

server_error = <function server_error>, request = <DjangoRequest GET:{}, POST:{}, COOKIES:{}, META...gi.url_scheme': 'http', 'wsgi.version': (1, 0)}>

/opt/local/appserv_bundle/django/views/defaults.py in server_error(request=<DjangoRequest GET:{}, POST:{}, COOKIES:{}, META...gi.url_scheme': 'http', 'wsgi.version': (1, 0)}>)

65     Templates: `500`

66     Context: None

67     """

68     t = loader.get_template('500')

69     return httpwrappers.HttpResponseServerError(t.render(Context()))

t undefined, global loader = <module 'django.core.template.loader' from '/opt.../appserv_bundle/django/core/template/loader.pyc'>, loader.get_template = <function get_template>

/opt/local/appserv_bundle/django/core/template/loader.py in get_template(template_name='500')

56     handling template inheritance recursively.

57     """

58     return get_template_from_string(load_template_source(template_name))

59

60 def get_template_from_string(source):

global get_template_from_string = <function get_template_from_string>, global load_template_source = <function load_template_source>, template_name = '500'

/opt/local/appserv_bundle/django/core/template/loader.py in get_template_from_string(source='{% extends "base_interior" %}\n\n{% block css %}\n{.../div>\n\n{% endblock %}div>\n\n</div>\n\n{% endblock %}')

63     handling template inheritance recursively.

64     """

65     return Template(source)

66

67 def render_to_string(template_name, dictionary=None, context_instance=None):

global Template = <class django.core.template.Template>, source = '{% extends "base_interior" %}\n\n{% block css %}\n{.../div>\n\n{% endblock %}div>\n\n</div>\n\n{% endblock %}'

/opt/local/appserv_bundle/django/core/template/__init__.py in __init__(self=<django.core.template.Template instance>, template_string='{% extends "base_interior" %}\n\n{% block css %}\n{.../div>\n\n{% endblock %}div>\n\n</div>\n\n{% endblock %}')

105     def __init__(self, template_string):

106         "Compilation stage"

107         self.nodelist = compile_string(template_string)

108

109     def __iter__(self):

self = <django.core.template.Template instance>, self.nodelist undefined, global compile_string = <function compile_string>, template_string = '{% extends "base_interior" %}\n\n{% block css %}\n{.../div>\n\n{% endblock %}div>\n\n</div>\n\n{% endblock %}'

/opt/local/appserv_bundle/django/core/template/__init__.py in compile_string(template_string='{% extends "base_interior" %}\n\n{% block css %}\n{.../div>\n\n{% endblock %}div>\n\n</div>\n\n{% endblock %}')

120     tokens = tokenize(template_string)

121     parser = Parser(tokens)

122     return parser.parse()

123

124 class Context:

parser = <django.core.template.Parser instance>, parser.parse = <bound method Parser.parse of <django.core.template.Parser instance>>

/opt/local/appserv_bundle/django/core/template/__init__.py in parse(self=<django.core.template.Parser instance>, parse_until=[])

258                     nodelist.append(registered_tags[command](self, token))

259                 except KeyError:

260                     raise TemplateSyntaxError, "Invalid block tag: '%s'" % command

261         if parse_until:

262             raise TemplateSyntaxError, "Unclosed tag(s): '%s'" % ', '.join(parse_until)

global TemplateSyntaxError = <class django.core.template.TemplateSyntaxError>, command = 'extends'

/opt/local/appserv_bundle/django/core/template/loader.py in do_extends(parser=<django.core.template.Parser instance>, token=<django.core.template.Token instance>)

201     else:

202         parent_name_var = bits[1]

203     nodelist = parser.parse()

204     if nodelist.get_nodes_by_type(ExtendsNode):

205         raise TemplateSyntaxError, "'%s' cannot appear more than once in the same template" % bits[0]

nodelist undefined, parser = <django.core.template.Parser instance>, parser.parse = <bound method Parser.parse of <django.core.template.Parser instance>>

/opt/local/appserv_bundle/django/core/template/__init__.py in parse(self=<django.core.template.Parser instance>, parse_until=[])

258                     nodelist.append(registered_tags[command](self, token))

259                 except KeyError:

260                     raise TemplateSyntaxError, "Invalid block tag: '%s'" % command

261         if parse_until:

262             raise TemplateSyntaxError, "Unclosed tag(s): '%s'" % ', '.join(parse_until)

global TemplateSyntaxError = <class django.core.template.TemplateSyntaxError>, command = 'endblock'

TemplateSyntaxError: Invalid block tag: 'endblock'
      args = ("Invalid block tag: 'endblock'",)