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--- wiki:ai:python:tensorflow [2020/08/14 11:37]
dhan 만듦
+++ wiki:ai:python:tensorflow [2023/01/13 18:44] (현재)
@@ 줄 1: / 줄 1: @@
-====== tensorflow ======
+====== Tensorflow ======
 <WRAP left notice 80%>
   * description : tensorflow 관련 내용 기술
@@ 줄 40: / 줄 40: @@
 {{:wiki:ai:tensorflow:check-tensorflow-gpu.jpg?direct&600|}}
-==== Ref ====
+==== Remove ====
+Show
+<code bash>
+$> pip3 show tensorflow
+</code>
+Uninstall
+<code bash>
+sudo pip3 uninstall tensorflow-gpu
+</code>
+\\
+==== Upgrade ====
+<code bash>
+sudo pip3 install --upgrade tensorflow-cpu
+</code>
 [[https://jaehyeongan.github.io/2019/05/01/tensorflow%20GPU버전%20사용하기|tensorflow GPU 사용하기]]
@@ 줄 46: / 줄 59: @@
 ===== Tip =====
 [[http://solarisailab.com/archives/2640|33. TensorFlow 2.0 Release 및 변경사항 정리 – Tf.Session & Tf.Placeholder 삭제, @Tf.Function, Tf_upgrade_v2]] \\
+SyntaxError regarding async when attempting to jupyter
+<code python>
+dhan@dhan-linux:~$ jupyter notebook --ip=0.0.0.0 --port=8888 --allow-root
+[I 17:59:50.050 NotebookApp] Writing notebook server cookie secret to /home/dhan/.local/share/jupyter/runtime/notebook_cookie_secret
+Traceback (most recent call last):
+  File "/home/dhan/.local/bin/jupyter-notebook", line 8, in <module>
+    sys.exit(main())
+  File "/home/dhan/.local/lib/python3.8/site-packages/jupyter_core/application.py", line 270, in launch_instance
+    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
+  File "/home/dhan/.local/lib/python3.8/site-packages/traitlets/config/application.py", line 663, in launch_instance
+    app.initialize(argv)
+  File "<decorator-gen-7>", line 2, in initialize
+  File "/home/dhan/.local/lib/python3.8/site-packages/traitlets/config/application.py", line 87, in catch_config_error
+    return method(app, *args, **kwargs)
+  File "/home/dhan/.local/lib/python3.8/site-packages/notebook/notebookapp.py", line 2037, in initialize
+    self.init_webapp()
+  File "/home/dhan/.local/lib/python3.8/site-packages/notebook/notebookapp.py", line 1675, in init_webapp
+    self.web_app = NotebookWebApplication(
+  File "/home/dhan/.local/lib/python3.8/site-packages/notebook/notebookapp.py", line 183, in __init__
+    settings = self.init_settings(
+  File "/home/dhan/.local/lib/python3.8/site-packages/notebook/notebookapp.py", line 302, in init_settings
+    nbextensions_path=jupyter_app.nbextensions_path,
+  File "/home/dhan/.local/lib/python3.8/site-packages/notebook/notebookapp.py", line 1292, in nbextensions_path
+    from IPython.paths import get_ipython_dir
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/__init__.py", line 55, in <module>
+    from .core.application import Application
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/core/application.py", line 25, in <module>
+    from IPython.core import release, crashhandler
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/core/crashhandler.py", line 27, in <module>
+    from IPython.core import ultratb
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/core/ultratb.py", line 116, in <module>
+    from IPython.utils import path as util_path
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/utils/path.py", line 17, in <module>
+    from IPython.utils.process import system
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/utils/process.py", line 19, in <module>
+    from ._process_posix import system, getoutput, arg_split, check_pid
+  File "/home/dhan/.local/lib/python3.8/site-packages/IPython/utils/_process_posix.py", line 23, in <module>
+    import pexpect
+  File "/usr/lib/python3/dist-packages/pexpect/__init__.py", line 75, in <module>
+    from .pty_spawn import spawn, spawnu
+  File "/usr/lib/python3/dist-packages/pexpect/pty_spawn.py", line 14, in <module>
+    from .spawnbase import SpawnBase
+  File "/usr/lib/python3/dist-packages/pexpect/spawnbase.py", line 224
+    def expect(self, pattern, timeout=-1, searchwindowsize=-1, async=False):
+                                                               ^
+SyntaxError: invalid syntax
+</code>
+해결법
+<code python>
+$> sudo apt-get remove python-pexpect python3-pexpect
+$> sudo pip3 install --upgrade pexpect
+</code>
+[[https://askubuntu.com/questions/1106943/syntaxerror-regarding-async-when-attempting-to-run-jupyter-in-python-3-7]] \\
+\\
+ModuleNotFoundError: No module named 'pexpect'
+<code>
+dhan@dhan-linux:~$ ipython
+.....
+.....
+ModuleNotFoundError: No module named 'pexpect'
+</code>
+해결법
+<code python>
+pip install -I pexpect
+python -c 'import pexpect'
+</code>
+[[https://github.com/facebookresearch/DrQA/issues/9]]\\
+\\
 ===== Troubleshooting =====

문제를 잘 정의하는 것은 문제를 절반 해결한 것이다. - 2023.12

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