No module named ipykernel_launcher
Installing pip correctly is the answer https://opensource.com/article/19/5/python-3-default-mac#what-to-do install pip in the new directory, and from there- download jupyter-lab again.
virtualenv
Virtualenv not compatible with this system or executable
My limited undestanding is that my python interpreter and packages are managed under Anaconda using Conda package manager, and my virtualenv was originally installed using pip.. uninstalling virtualenv with pip and re-installing with conda fixed the issue
Unable to install boto3
Don’t use sudo in a virtual environment because it ignores the environment’s variables and therefore sudo pip refers to your global pip installation. So with your environment activated, rerun pip install boto3 but without sudo.
Issue with virtualenv – cannot activate
source is a shell command designed for users running on Linux (or any Posix, but whatever, not Windows). On Windows, virtualenv creates a .bat/.ps1 file, so you should run venv\Scripts\activate instead (per the virtualenv documentation on the activate script). Just run activate, without an extension, so the right file will get used regardless of whether you’re using cmd.exe or PowerShell.
What’s the difference between “virtualenv” and “-m venv” in creating Virtual environments(Python)
venv is a package shipped directly with python 3. So you don’t need to pip install anything. virtualenv instead is an independent library available at https://virtualenv.pypa.io/en/stable/ and can be install with pip. They solve the same problem and work in a very similar manner. If you use python3 I suggest to avoid an “extra” dependancy and just stick with venv Your error is … Read more
‘virtualenv’ is not recognized as an internal or external command, operable program or batch file
steps: – go to where you want create django app on that folder. then run this command on command prompt : python -m virtualenv . (eg. C:\Users\gshiv\Desktop\django>python -m virtualenv .) where django is the my folder i want run virtualenv and .(dot) indicates virtualenv install all it’s folder in django folder otherwise you can use other … Read more
Use different Python version with virtualenv
Just use the –python (or short -p) option when creating your virtualenv instance to specify the Python executable you want to use, e.g.: N.B. For Python 3.3 or later, refer to The Aelfinn’s answer below.
ImportError: No module named Crypto.Cipher
I had the same problem (though on Linux). The solution was quite simple – add: to my app.yaml file. Since this worked correctly in the past, I assume this is a new requirement.
bash: mkvirtualenv: command not found
Solution 1: For some reason, virtualenvwrapper.sh installed in /usr/bin/virtualenvwrapper.sh, instead of under /usr/local/bin. The following in my .bash_profile works… My install seems to work fine without sourcing virtualenvwrapper_bashrc Solution 2: Alternatively as mentioned below, you could leverage the chance that virtualenvwrapper.sh is already in your shell’s PATH and just issue a source `which virtualenvwrapper.sh`
pip install -r requirements.txt [Errno 2] No such file or directory: ‘requirements.txt’
I am setting up the base for a django project, I have cloned a repo and I have just created a virtual environment for the project in the same directory. But when I try to run the command pip install -r requirements.txt in the project directory I get this error: [Errno 2] No such file … Read more