gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -IlibImaging -I/home/riku/rikuchan/venv/include -I/usr/local/include -I/usr/include -I/usr/include/python2.7 -c _imaging.c -o build/temp.linux-i686-2.7/_imaging.o

_imaging.c:75:20: fatal error: Python.h: No such file or directory

compilation terminated.

error: command 'gcc' failed with exit status 1

----------------------------------------
Command /home/riku/rikuchan/venv/bin/python -c "import setuptools;__file__='/home/riku/rikuchan/venv/build/pil/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /tmp/pip-vdJ4XG-record/install-record.txt --install-headers /home/riku/rikuchan/venv/include/site/python2.7 failed with error code 1 in /home/riku/rikuchan/venv/build/pil
Storing complete log in /home/riku/.pip/pip.log