pip3 install psutil 時にfatal error: Python.h: そのようなファイルやディレクトリはありません

pip3 install psutil時にfatal error: Python.h: そのようなファイルやディレクトリはありません

pip3 install psutil時にエラー

```
$ pip3 install psutil
Collecting psutil
  Downloading psutil-5.7.0.tar.gz (449 kB)
     |????????????????????????????????| 449 kB 3.6 MB/s
Building wheels for collected packages: psutil
  Building wheel for psutil (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-ep62l8yz/psutil/setup.py'"'"'; __file__='"'"'/tmp/pip-install-ep62l8yz/psutil/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-ctube83k
       cwd: /tmp/pip-install-ep62l8yz/psutil/
  Complete output (42 lines):
...
  running build_ext
  building 'psutil._psutil_linux' extension
  creating build/temp.linux-x86_64-3.5
  creating build/temp.linux-x86_64-3.5/psutil
  x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_SIZEOF_PID_T=4 -DPSUTIL_VERSION=570 -DPSUTIL_LINUX=1 -I/usr/include/python3.5m -c psutil/_psutil_common.c -o build/temp.linux-x86_64-3.5/psutil/_psutil_common.o
  psutil/_psutil_common.c:9:20: fatal error: Python.h: そのようなファイルやディレクトリはありません
  compilation terminated.
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for psutil
  Running setup.py clean for psutil
Failed to build psutil
Installing collected packages: psutil
    Running setup.py install for psutil ... error
    ERROR: Command errored out with exit status 1:
...

    building 'psutil._psutil_linux' extension
    creating build/temp.linux-x86_64-3.5
    creating build/temp.linux-x86_64-3.5/psutil
    x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_SIZEOF_PID_T=4 -DPSUTIL_VERSION=570 -DPSUTIL_LINUX=1 -I/usr/include/python3.5m -c psutil/_psutil_common.c -o build/temp.linux-x86_64-3.5/psutil/_psutil_common.o
    psutil/_psutil_common.c:9:20: fatal error: Python.h: そのようなファイルやディレクトリはありません
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-ep62l8yz/psutil/setup.py'"'"'; __file__='"'"'/tmp/pip-install-ep62l8yz/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-record-vtubkrgc/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.5/psutil Check the logs for full command output.
```

以下で解決

```
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install -y python3-dev
sudo pip3 install psutil
```

# 参考
[giampaolo psutil](https://github.com/giampaolo/psutil/blob/master/INSTALL.rst)
[Why can't I install python3.6-dev on Ubuntu16.04](https://stackoverflow.com/questions/43621584/why-cant-i-install-python3-6-dev-on-ubuntu16-04)
[Ubuntu 16.04 で python3.6-dev のインストールに失敗する場合の対処法](https://qiita.com/nettle0010/items/cc15376992c73c45f849)