Cannot install psutil

flask
python

#1

I can not install psutil by
pip install psutil

Please help

I have following error:

x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_VERSION=500 -DPSUTIL_LINUX=1 -I/home/ubuntu/workspace/kitten/myvenv/include -I/usr/include/python3.5m -c psutil/_psutil_linux.c -o build/temp.linux-x86_64-3.5/psutil/_psutil_linux.o
psutil/_psutil_linux.c:12:20: fatal error: Python.h: No such file or directory
#include <Python.h>
^
compilation terminated.
error: command ‘x86_64-linux-gnu-gcc’ failed with exit status 1

----------------------------------------

Command “/home/ubuntu/workspace/kitten/myvenv/bin/python3.5 -u -c “import setuptools, tokenize;file=’/tmp/pip-build-jt06a521/psutil/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-rjiuq2xm-record/install-record.txt --single-version-externally-managed --compile --install-headers /home/ubuntu/workspace/kitten/myvenv/include/site/python3.5/psutil” failed with error code 1 in /tmp/pip-build-jt06a521/psutil/