import error in dist package

sunu@komputer:moin-2.0.0a0$ python moin.py index-create -s -i
2012-10-01 09:32:03,588 WARNING MoinMoin.log:139 using logging configuration read from built-in fallback in MoinMoin.log module!
2012-10-01 09:32:04,568 ERROR MoinMoin.converter:46 Failed to import MoinMoin.converter package module rst_in: No module named pytest
Traceback (most recent call last):
  File "/home/sunu/src/moin-2.0.0a0/MoinMoin/util/pysupport.py", line 42, in load_package_modules
    imp.load_module(module_complete, *info)
  File "/home/sunu/src/moin-2.0.0a0/MoinMoin/converter/rst_in.py", line 21, in <module>
    import pytest
ImportError: No module named pytest
2012-10-01 09:32:05,258 INFO MoinMoin.util.clock:44 timer create_app load config(0): 97.74ms
2012-10-01 09:32:05,335 INFO MoinMoin.util.clock:44 timer create_app register(0): 76.63ms
2012-10-01 09:32:05,348 INFO MoinMoin.util.clock:44 timer create_app flask-cache(0): 13.42ms
2012-10-01 09:32:05,415 INFO MoinMoin.util.clock:44 timer create_app init backends(0): 66.68ms
2012-10-01 09:32:05,416 INFO MoinMoin.util.clock:44 timer create_app flask-babel(0): 0.09ms
2012-10-01 09:32:05,416 INFO MoinMoin.util.clock:44 timer create_app flask-themes(0): 0.46ms
2012-10-01 09:32:05,416 INFO MoinMoin.util.clock:44 timer create_app total(0): 257.18ms
sunu@komputer:moin-2.0.0a0$