[dataimport] Fix case when extid is text in use_extid_as_cwuri()
Extid can be bytes or text.
This avoid AttributeError: 'str' object has no attribute 'decode'
Tutorials
~~~~~~~~~
We present a few tutorials of different levels. The blog building
tutorial introduces one smoothly to the basic concepts.
Then there is a photo gallery construction tutorial which highlights
more advanced concepts such as unit tests, security settings,
migration scripts.
.. toctree::
:maxdepth: 1
base/index
advanced/index
tools/windmill.rst
textreports/index
dataimport/index