This page contains some advice about errors and problems commonly encountered during the development of Django applications.

Problems running django-admin

“command not found: django-admin”

django-admin should be on your system path if you installed Django via python If it’s not on your path, you can find it in site-packages/django/bin, where site-packages is a directory within your Python installation. Consider symlinking to django-admin from some place on your path, such as /usr/local/bin.

If django-admin doesn’t work but does, you’re probably using a version of Django that doesn’t match the version of this documentation. django-admin is new in Django 1.7.

Mac OS X permissions

If you’re using Mac OS X, you may see the message “permission denied” when you try to run django-admin. This is because, on Unix-based systems like OS X, a file must be marked as “executable” before it can be run as a program. To do this, open and navigate (using the cd command) to the directory where django-admin is installed, then run the command sudo chmod +x django-admin.


I’m getting a UnicodeDecodeError. What am I doing wrong?

This class of errors happen when a bytestring containing non-ASCII sequences is transformed into a Unicode string and the specified encoding is incorrect. The output generally looks like this:

UnicodeDecodeError: 'ascii' codec can't decode byte 0x?? in position ?:
ordinal not in range(128)

The resolution mostly depends on the context, however here are two common pitfalls producing this error:

  • Your system locale may be a default ASCII locale, like the “C” locale on UNIX-like systems (can be checked by the locale command). If it’s the case, please refer to your system documentation to learn how you can change this to a UTF-8 locale.

  • You created raw bytestrings, which is easy to do on Python 2:

    my_string = 'café'

    Either use the u'' prefix or even better, add the from __future__ import unicode_literals line at the top of your file so that your code will be compatible with Python 3.2 which doesn’t support the u'' prefix.

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