python yaml 설치

python3에서 yaml을 설치하려면 

"pip install pyyaml"로 설치해야 한다.

근데 이상하게도 중간에 

''''''

Collecting PyYAML

  Using cached PyYAML-3.12.tar.gz

Building wheels for collected packages: PyYAML

  Running setup.py bdist_wheel for PyYAML ... error

  Failed building wheel for PyYAML

  Running setup.py clean for PyYAML

Failed to build PyYAML

Installing collected packages: PyYAML

  Running setup.py install for PyYAML ... error

Exception:

Traceback (most recent call last):

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\compat\__init__.py", line 73, in console_to_str

    return s.decode(sys.__stdout__.encoding)

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc6 in position 72: invalid continuation byte

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\basecommand.py", line 215, in main

    status = self.run(options, args)

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\commands\install.py", line 342, in run

    prefix=options.prefix_path,

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\req\req_set.py", line 784, in install

    **kwargs

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\req\req_install.py", line 878, in install

    spinner=spinner,

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\utils\__init__.py", line 676, in call_subprocess

    line = console_to_str(proc.stdout.readline())

  File "C:\Users\hyunm\Anaconda3\envs\tensorflow\lib\site-packages\pip\compat\__init__.py", line 75, in console_to_str

    return s.decode('utf_8')

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc6 in position 72: invalid continuation byte

'''''

이런 에러가 나면서 제대로 설치가 안됐다.

굵게 표시한 곳을 읽어보면 알겠지만 utf-8문제다...

"Lib/site-package/pip/compat/__init__.py" 이 파일에서 

return s.decode('utf_8')를 return s.decode('cp936')로 변경하니까 설치가 잘 된다.

이후에 다시 utf-8로 바꿨는데도 실행에는 문제가 없다.