#29003: Contributing > Writing Code > Unit tests > Quick start
---------------------------------------------+------------------------
               Reporter:  Дилян Палаузов     |          Owner:  nobody
                   Type:  Bug                |         Status:  new
              Component:  Testing framework  |        Version:  master
               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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 https://docs.djangoproject.com/en/dev/internals/contributing/writing-code
 /unit-tests/ says

   Quickstart
   {{{
 $ git clone [email protected]:YourGitHubName/django.git django-repo
 $ cd django-repo/tests
 $ pip install -e ..
 $ pip install -r requirements/py3.txt
 $ ./runtests.py
    }}}

 which does not work, when Django is not installed (in the virtual
 environment).  Once we are in the tests directory (or call
 `tests/runtests.py`) `os.sys.path` does not contain the parent directory,
 so this happens:

 {{{
 Traceback (most recent call last):
   File "./runtests.py", line 14, in <module>
     import django
 ImportError: No module named 'django'
 }}}

 Setting `$PYTHONPATH` explicitly to the parent directory helps.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29003>
Django <https://code.djangoproject.com/>
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