我正在尝试安装Tensorflow 2.0。这些是我正在运行的命令：
$ pip3 install tensorflow-gpu
当我打开Python控制台时（在Jetbrains PyCharm中）
import tensorflow as tf
我立即遭到一堆弃用警告的打击：
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:516: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint8 = np.dtype([("qint8", np.int8, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:517: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_quint8 = np.dtype([("quint8", np.uint8, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:518: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint16 = np.dtype([("qint16", np.int16, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:519: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_quint16 = np.dtype([("quint16", np.uint16, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:520: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint32 = np.dtype([("qint32", np.int32, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorflow/python/framework/dtypes.py:525: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
np_resource = np.dtype([("resource", np.ubyte, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:541: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint8 = np.dtype([("qint8", np.int8, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:542: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_quint8 = np.dtype([("quint8", np.uint8, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:543: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint16 = np.dtype([("qint16", np.int16, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:544: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_quint16 = np.dtype([("quint16", np.uint16, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:545: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
_np_qint32 = np.dtype([("qint32", np.int32, 1)])
/home/jason/.local/lib/python3.6/site-packages/tensorboard/compat/tensorflow_stub/dtypes.py:550: FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
np_resource = np.dtype([("resource", np.ubyte, 1)])
WARNING:tensorflow:From /home/jason/.local/share/JetBrains/Toolbox/apps/PyCharm-C/ch-0/193.5233.109/plugins/python-ce/helpers/pydev/_pydevd_bundle/pydevd_resolver.py:178: The name tf.AUTO_REUSE is deprecated. Please use tf.compat.v1.AUTO_REUSE instead.
WARNING:tensorflow:From /home/jason/.local/share/JetBrains/Toolbox/apps/PyCharm-C/ch-0/193.5233.109/plugins/python-ce/helpers/pydev/_pydevd_bundle/pydevd_resolver.py:178: The name tf.AttrValue is deprecated. Please use tf.compat.v1.AttrValue instead.
WARNING:tensorflow:From /home/jason/.local/share/JetBrains/Toolbox/apps/PyCharm-C/ch-0/193.5233.109/plugins/python-ce/helpers/pydev/_pydevd_bundle/pydevd_resolver.py:178: The name tf.COMPILER_VERSION is deprecated. Please use tf.version.COMPILER_VERSION instead.
WARNING:tensorflow:From /home/jason/.local/share/JetBrains/Toolbox/apps/PyCharm-C/ch-0/193.5233.109/plugins/python-ce/helpers/pydev/_pydevd_bundle/pydevd_resolver.py:178: The name tf.CXX11_ABI_FLAG is deprecated. Please use tf.sysconfig.CXX11_ABI_FLAG instead.
WARNING:tensorflow:From /home/jason/.local/share/JetBrains/Toolbox/apps/PyCharm-C/ch-0/193.5233.109/plugins/python-ce/helpers/pydev/_pydevd_bundle/pydevd_resolver.py:178: The name tf.ConditionalAccumulator is deprecated. Please use tf.compat.v1.ConditionalAccumulator instead.
WARNING:tensorflow:
The TensorFlow contrib module will not be included in TensorFlow 2.0.
For more information, please see:
* https://github.com/tensorflow/community/blob/master/rfcs/20180907-contrib-sunset.md
* https://github.com/tensorflow/addons
* https://github.com/tensorflow/io (for I/O related ops)
If you depend on functionality not listed there, please file an issue.
当我尝试通过以下方式检查Tensorflow的版本时：
tf.__version__
它输出：
'1.14.0'
我是Python的新手，我不确定是什么问题。
python3 -m pip install --upgrade tensorflow-gpu>=2
我真的没有解释为什么它不能正常安装2.0。这些命令之间应该没有任何区别，但是这条命令起作用了，pip3 install没有起作用。
另外，最好先更新pip本身：
pip3 install --upgrade pip
UPD，根本原因： TF2需要pip19。在大多数情况下，简单的pip升级应有所帮助。
此外，在最新版本中，pip3可执行文件已损坏，已通过使用进行了修复python3 -m pip。这个问题已经解决。
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我来说两句