$ virtualenv env
$ source env/bin/activate

    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/py
thon3.5m -I/home/harin_sanghirun/python-docs-samples/speech/cloud-client/env/include/python3.5m -c src/_portaudiomodule.c -o build/temp.linux-x86_64-3.5/src/_portaudiomodule.o
    src/_portaudiomodule.c:29:23: fatal error: portaudio.h: No such file or directory
     #include "portaudio.h"
                           ^
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
    ----------------------------------------
Command "/home/harin_sanghirun/python-docs-samples/speech/cloud-client/env/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-rttf92f_/pyaudio/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\
r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-hj3mco5q/install-record.txt --single-version-externally-managed --compile --install-headers /home/harin_sanghirun/python-docs-samples/speech/cloud-cli
ent/env/include/site/python3.5/pyaudio" failed with error code 1 in /tmp/pip-install-rttf92f_/pyaudio/