在pycharm 环境中安装了BeautifulSoup4 ，但在调用时候发现bs4中根本找不到BeautifulSoup，怎么破？

Posted 2023-05-15

如图： 尝试按照网上所说from bs4 import beautifulsoup 时，发现bs4下根本没有beautifulsoup。。。请高手指点

参考技术A from bs4 import BeautifulSoup
Python是大小写敏感的本回答被提问者和网友采纳

无法在 PyCharm 中安装 PyTorch（Python 3.9 / macOS）

【中文标题】无法在 PyCharm 中安装 PyTorch（Python 3.9 / macOS）

【英文标题】：Unable to install PyTorch in PyCharm (Python 3.9 / macOS)

【发布时间】：2021-03-05 04:56:04

【问题描述】：

环境：

pip 版本：20.2.4 解释器：Python 3.9.0 操作系统：macOS Big Sur 其他一切都是最新的

我在终端中尝试了以下命令，但都没有成功：

点安装火炬 pip3 安装火炬 pip install torch torchvision torchaudio

我收到每个命令的不同错误消息，但这是“pip install torch”的输出：

Collecting torch
  Using cached torch-0.1.2.post2.tar.gz (128 kB)
Requirement already satisfied: pyyaml in /Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages (from torch) (5.3.1)
Using legacy 'setup.py install' for torch, since package 'wheel' is not installed.
Installing collected packages: torch
    Running setup.py install for torch: started
    Running setup.py install for torch: finished with status 'error'

DEPRECATION: The -b/--build/--build-dir/--build-directory option is deprecated. pip 20.3 will remove support for this functionality. A possible replacement is use the TMPDIR/TEMP/TMP environment variable, possibly combined with --no-clean. You can find discussion regarding this at https://github.com/pypa/pip/issues/8333.
    ERROR: Command errored out with exit status 1:
     command: /usr/local/bin/python3.9 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py'"'"'; __file__='"'"'/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pip-record-92u0tiue/install-record.txt --single-version-externally-managed --compile --install-headers /Library/Frameworks/Python.framework/Versions/3.9/include/python3.9/torch
         cwd: /private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/
    Complete output (23 lines):
    running install
    running build_deps
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py", line 225, in <module>
        setup(name="torch", version="0.1.2.post2",
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/setuptools/__init__.py", line 153, in setup
        return distutils.core.setup(**attrs)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py", line 99, in run
        self.run_command('build_deps')
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py", line 51, in run
        from tools.nnwrap import generate_wrappers as generate_nn_wrappers
    ModuleNotFoundError: No module named 'tools.nnwrap'
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/local/bin/python3.9 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py'"'"'; __file__='"'"'/private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pycharm-packaging/torch/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/jz/bbl56kxj3tl_wssc22lnxqmc0000gn/T/pip-record-92u0tiue/install-record.txt --single-version-externally-managed --compile --install-headers /Library/Frameworks/Python.framework/Versions/3.9/include/python3.9/torch Check the logs for full command output.

【问题讨论】：

这能回答你的问题吗？ ModuleNotFoundError: No module named 'tools.nnwrap'

不幸的是，对于 python 版本 > 3.6，他将你引回到他们的官方网站，它要求你运行：pip install torch torchvision torchaudio

【参考方案1】：

好的，我通过使用 conda 包管理器而不是 pip 解决了这个问题。 Conda 使用 python 3.8.5 版本，而 3.9 版本用于我的 pip 管理器。我不太确定不兼容问题是由于 pip 本身，还是它使用的是 python 3.9 版。无论如何下载图形 macOS 安装程序后：

conda install pytorch torchvision torchaudio -c pytorch

这应该会成功安装 PyTorch！

【讨论】：

而在 PyCharm 中，您可以将项目的解释器更改为 Conda 的。