Twisted error from python setup.py develop

bd-twisted-error

### Error Output ###

Downloading http://pypi.python.org/packages/source/T/Twisted/Twisted-12.2.0.tar.bz2#md5=9a321b904d01efd695079f8484b37861
Processing Twisted-12.2.0.tar.bz2
Writing /tmp/easy_install-ftgyUB/Twisted-12.2.0/setup.cfg
Running Twisted-12.2.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ftgyUB/Twisted-12.2.0/egg-dist-tmp-AgVk9z
twisted/runner/portmap.c:10:20: error: Python.h: No such file or directory
twisted/runner/portmap.c:14: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
twisted/runner/portmap.c:31: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
twisted/runner/portmap.c:45: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘PortmapMethods’
twisted/runner/portmap.c: In function ‘initportmap’:
twisted/runner/portmap.c:55: warning: implicit declaration of function ‘Py_InitModule’
twisted/runner/portmap.c:55: error: ‘PortmapMethods’ undeclared (first use in this function)
twisted/runner/portmap.c:55: error: (Each undeclared identifier is reported only once
twisted/runner/portmap.c:55: error: for each function it appears in.)
error: Setup script exited with error: command 'gcc' failed with exit status 1

### Test Output ###

==================================================== test session starts ====================================================
platform linux2 -- Python 2.6.5 -- pytest-2.2.4
collected 0 items / 4 errors 

========================================================== ERRORS ===========================================================
____________________________________ ERROR collecting bugimporters/tests/test_github.py _____________________________________
../../envs/oh-bugimporters/lib/python2.6/site-packages/py/_path/local.py:532: in pyimport
>           __import__(modname)
bugimporters/tests/__init__.py:1: in <module>
>   import twisted
E   ImportError: No module named twisted
____________________________________ ERROR collecting bugimporters/tests/test_google.py _____________________________________
../../envs/oh-bugimporters/lib/python2.6/site-packages/py/_path/local.py:532: in pyimport
>           __import__(modname)
bugimporters/tests/__init__.py:1: in <module>
>   import twisted
E   ImportError: No module named twisted
____________________________________ ERROR collecting bugimporters/tests/test_roundup.py ____________________________________
../../envs/oh-bugimporters/lib/python2.6/site-packages/py/_path/local.py:532: in pyimport
>           __import__(modname)
bugimporters/tests/__init__.py:1: in <module>
>   import twisted
E   ImportError: No module named twisted
_____________________________________ ERROR collecting bugimporters/tests/test_trac.py ______________________________________
../../envs/oh-bugimporters/lib/python2.6/site-packages/py/_path/local.py:532: in pyimport
>           __import__(modname)
bugimporters/tests/__init__.py:1: in <module>
>   import twisted
E   ImportError: No module named twisted
---------------------------------------------- generated xml file: report.xml -----------------------------------------------
-------------------------------------- coverage: platform linux2, python 2.6.5-final-0 --------------------------------------
Coverage XML written to file coverage.xml
================================================== 4 error in 0.95 seconds ==================================================