Up インストール 作成: 2021-04-17
更新: 2021-04-17

  1. 仮想環境 venv を有効化
      $ source ./venv/bin/activate (venv) $

  2. pip のアップグレード
      (venv) $ pip --version pip 18.1 from /home/pi/venv/lib/python3.7/site-packages/pip (python 3.7) (venv) $ pip install --upgrade pip Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple Collecting pip Using cached https://files.pythonhosted.org/packages/fe/ef/ 60d7ba03b5c442309ef42e7d69959f73aacccd0d86008362a681c4698e83/ pip-21.0.1-py3-none-any.whl Installing collected packages: pip Found existing installation: pip 18.1 Uninstalling pip-18.1: Successfully uninstalled pip-18.1 Successfully installed pip-21.0.1 (venv) $ pip --version pip 21.0.1 from /home/pi/venv/lib/python3.7/site-packages/pip (python 3.7)

  3. TensorFlow (pip パッケージ) のインストール
      (venv) $ pip install --upgrade tensorflow

  4. TensorFlow の import
      (venv) $ python >>> import tensorflow as tf 2021-05-04 11:55:30.397832: E tensorflow/core/platform/hadoop/hadoop_file_system.cc:132] HadoopFileSystem load error: libhdfs.so: cannot open shared object file: No such file or directory >>>
    　このエラーメッセージは，無視してよい。
    　　 "HadoopFileSystem load error: libhdfs.so: cannot open ‥‥"


  5. TensorFlow のバージョン
      >>> print(tf.__version__) 1.14.0 >>>