#29399: Template rendering errors are incorrectly blamed on base template
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               Reporter:  oTree-org        |          Owner:  nobody
                   Type:  Bug              |         Status:  new
              Component:  Template system  |        Version:  2.0
               Severity:  Normal           |       Keywords:
           Triage Stage:  Unreviewed       |      Has patch:  0
    Needs documentation:  0                |    Needs tests:  0
Patch needs improvement:  0                |  Easy pickings:  0
                  UI/UX:  0                |
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 Repro steps:

 - create a "base.html"
 - create a "child.html" that inherits from base.html with `{% extends %}`

 put one of the following lines child.html:

     `{% url 'nonexistent' %}`
     `{% include 'nonexistent.html' %}`

 Expected: the yellow error page's "template debug" context should
 highlight the offending line, as it does when you have a
 TemplateSyntaxError during compilation.

 Actual: the error page incorrectly blames base.html, and says the error is
 at line 0:

 "Error during template rendering
 In template ...\base.html, error at line 0"

 It then shows the first 10 lines of base.html, but of course there is no
 error there.

 I think this is caused by `django.template.base.Node.render_annotated`,
 specifically this line:

 `e.template_debug = context.render_context.template.get_exception_info(e,
 self.token)`

 It seems fixed if I change it to:

 `e.template_debug = context.template.get_exception_info(e, self.token)`

 (I got the idea because I saw `context.template` referenced on the
 previous line.)

 You can run the attached project which reproduces the issue (run server
 and open to /).

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29399>
Django <https://code.djangoproject.com/>
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