今日のpip error

```shell-session

# pip install --upgrade pip
Collecting pip
  Downloading https://files.pythonhosted.org/packages/00/b6/9cfa56b4081ad13874b0c6f96af8ce16cfbc1cb06bedf8e9164ce5551ec1/pip-19.3.1-py2.py3-none-any.whl (1.4MB)
     |████████████████████████████████| 1.4MB 2.9MB/s 
Installing collected packages: pip
  Found existing installation: pip 19.1.1
    Uninstalling pip-19.1.1:
      Successfully uninstalled pip-19.1.1
Successfully installed pip-19.3.1

# pip install pytorch
Collecting pytorch
  Downloading https://files.pythonhosted.org/packages/ee/67/f403d4ae6e9cd74b546ee88cccdb29b8415a9c1b3d80aebeb20c9ea91d96/pytorch-1.0.2.tar.gz
Building wheels for collected packages: pytorch
  Building wheel for pytorch (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /opt/conda/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tbnlkyu2/pytorch/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tbnlkyu2/pytorch/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-dxrcnoxa --python-tag cp37
       cwd: /tmp/pip-install-tbnlkyu2/pytorch/
  Complete output (5 lines):
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-tbnlkyu2/pytorch/setup.py", line 15, in <module>
      raise Exception(message)
  Exception: You tried to install "pytorch". The package named for PyTorch is "torch"
  ----------------------------------------
  ERROR: Failed building wheel for pytorch
  Running setup.py clean for pytorch
Failed to build pytorch
Installing collected packages: pytorch
    Running setup.py install for pytorch ... error
    ERROR: Command errored out with exit status 1:
     command: /opt/conda/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tbnlkyu2/pytorch/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tbnlkyu2/pytorch/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-zu8dg515/install-record.txt --single-version-externally-managed --compile
         cwd: /tmp/pip-install-tbnlkyu2/pytorch/
    Complete output (5 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-tbnlkyu2/pytorch/setup.py", line 11, in <module>
        raise Exception(message)
    Exception: You tried to install "pytorch". The package named for PyTorch is "torch"
    ----------------------------------------
ERROR: Command errored out with exit status 1: /opt/conda/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tbnlkyu2/pytorch/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tbnlkyu2/pytorch/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-zu8dg515/install-record.txt --single-version-externally-managed --compile Check the logs for full command output.
```


GET STARTED pytorch

https://pytorch.org/get-started/locally/