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  1. 'pip' is not recognized as an internal or external command

    May 17, 2014 · An environment variable is not set. pip is installed, but an environment variable is not set. A environment variable is a Windows variable where the pip path is saved, so it can be run at …

  2. How to install pip with Python 3? - Stack Overflow

    Pip's website says that it already comes with Python 3.4+ if you downloaded from python.org. However, when I type pip on terminal, I get command not found. So I decided to go through the python3's …

  3. python - How to upgrade pip? - Stack Overflow

    Mar 12, 2019 · 2 How to upgrade pip using command prompt: Open the command prompt from the Start Menu Click the lower-left Start button to open the Start Menu input cmd in the empty box and tap …

  4. pip install fails with "connection error: [SSL: CERTIFICATE_VERIFY ...

    I am very new to Python and trying to > pip install linkchecker on Windows 7. Some notes: pip install is failing no matter the package. For example, > pip install scrapy also results in the ...

  5. ImportError: cannot import name 'RetrievalQA' from 'langchain.chains ...

    Nov 9, 2025 · I’m trying to use LangChain in my Python project. My current retriever.py contains: from langchain.chains import RetrievalQA But when I run my code, I get: ImportError: cannot import name …

  6. python - Should I use pip or pip3? - Stack Overflow

    19 Use python3 -m pip or python -m pip. That will use the correct pip for the python version you want. This method is mentioned in the pip documentation: python -m pip executes pip using the Python …

  7. What is the use case for `pip install -e`? - Stack Overflow

    Mar 5, 2017 · 58 pip install -e is how setuptools dependencies are handled via pip. What you typically do is to install the dependencies: git clone URL cd project run pip install -e . or pip install -e .[dev] * And …

  8. python - How do I solve "error: externally-managed-environment" …

    1013 When I run pip install xyz on a Linux machine (using Debian or Ubuntu or a derived Linux distribution), I get this error: error: externally-managed-environment × This environment is externally …

  9. What do square brackets mean in pip install? - Stack Overflow

    Oct 16, 2017 · Both pip install will result in the following packages given a clean virtual enviroment. The reason why the two pip install commands achieve same is because this is literally what has been run …

  10. difference between '%pip' and '!pip' in python jupyter notebook and ...

    Jan 3, 2021 · Using ! allows to run commands like ls or pip or what you have available on your OS. Colab is just like jupyter so you can run native pip like pip install tensorflow. See related answers: …