How can I import TemplateDoesNotExist in app engine (python)?
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I can't believe I'm not able to find this, but this is quite simple:

    from google.appengine.ext.webapp import template

    try :
      content = template.render(...)
    except TemplateDoesNotExist:
      content = ...

Then I don't know how to import TemplateDoesNotExist! Can anyone tell me its module path? Thanks!