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[ error message ] >>> df = pd.read_excel('data.xlsx') Traceback (most recent call last): File "C:\devel\Python\Python39\lib\site-packages\pandas\compat\_optional.py", line 138, in import_optional_dependency module = importlib.import_module(name) File "C:\devel\Python\Python39\lib\importlib\__init__.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "..

PIP package list $ pip freeze beautifulsoup4==4.12.2 Django==4.2 html5lib==1.1 httplib2==0.20.2 matplotlib==3.7.1 numpy==1.24.2 pandas==2.0.0 Pillow==9.0.1 requests==2.28.2 scikit-learn==1.2.1 scipy==1.10.1 six==1.16.0 PIP package backup (file : requirements.txt) $ pip freeze > requirements.txt => Copy other pc file(requirements.txt) PIP package restore $ pip install --upgrade -r requirements.tx..

[ Ubuntu 22.04 / 20.04 ] [ pip install ] $ sudo apt install python3-pip [ pip version ] $ pip --version pip 22.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10) [ pip upgrade ] $ pip install --upgrade pip Defaulting to user installation because normal site-packages is not writeable Requirement already satisfied: pip in /usr/lib/python3/dist-packages (22.0.2) Collecting pip Downloading pi..

Python 3.9 pip run error --------------------------------------------------------------------------------------- c:\dev>pip Traceback (most recent call last): File "C:\dev\tools\Python\Python39\lib\runpy.py", line 197, in _run_module_as_main return _run_code(code, main_globals, None, File "C:\dev\tools\Python\Python39\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\dev\tool..

PyTorch + CPU (Not CUDA) 1. PIP [ Windows ] 1.1 Stable(1.9.0) pip3 install torch torchvision torchaudio 1.2 LTS(1.8.1) pip3 install torch==1.8.1+cpu torchvision==0.9.1+cpu torchaudio===0.8.1 -f https://download.pytorch.org/whl/lts/1.8/torch_lts.html [ Linux ] 1.1 Stable(1.9.0) pip3 install torch==1.9.0+cpu torchvision==0.10.0+cpu torchaudio==0.9.0 -f https://download.pytorch.org/whl/torch_stable..

Google Colab (Colaboratory) python library install 1. Python module install/upgrade/uninstall 1-1. Module install !pip install (module name) ex, !pip install scikit-learn 1-2. Module upgrade !pip install --upgrade (module name) ex, !pip install --upgrade scikit-learn 1-3. Module uninstall !pip uninstall (module name) ex, !pip uninstall scikit-learn 2. Program install, upgrade, remove 2.1 Program..

1. pip show (library name) (ex, pip show matplotlib) ---------------------------------------------------------------------------- user@localhost:~$ pip show matplotlib Name: matplotlib Version: 3.4.1 Summary: Python plotting package Home-page: https://matplotlib.org Author: John D. Hunter, Michael Droettboom Author-email: matplotlib-users@python.org License: PSF Location: /home/user/.local/lib/p..

$ pip install (패키지명) 예) $ pip install numpy 패키지 버전 지정 설치 $ pip install (패키지명)=(버전) 예) $ pip install numpy=1.19.5 프록시 서버 환경에서 설치 $ pip install (패키지명) --proxy (프록시서버 주소) 예) $ pip install numpy --proxy http://192.168.0.1:8080 PIP 설치 시 SSL 인증 오류 발생하는 경우 $ pip install --trusted-host (host 주소) --trusted-host (host 주소) (패키지명) --proxy (프록시서버 주소) 예) $ pip install --trusted-host pypi.org --trusted-host fi..