>>> t = Template("My name is {{ person.first_name }}.")
>>> class PersonClass3:
...   def first_name(self):
...     raise AssertionError, "foo"
>>> p = PersonClass3()
>>> t.render(Context({"person": p}))
Traceback (most recent call last):
...
AssertionError: foo

>>> class SilentAssertionError(AssertionError):
...   silent_variable_failure = True
>>> class PersonClass4:
...   def first_name(self):
...     raise SilentAssertionError
>>> p = PersonClass4()
>>> t.render(Context({"person": p}))
u'My name is .'

def delete(self):
  # Delete the account
delete.alters_data = True

>>> from django.template import Template, Context
>>> t = Template('Your name is {{ name }}.')
>>> t.render(Context())
u'Your name is .'
>>> t.render(Context({'var': 'hello'}))
u'Your name is .'
>>> t.render(Context({'NAME': 'hello'}))
u'Your name is .'
>>> t.render(Context({'Name': 'hello'}))
u'Your name is .'