error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich: But I get a cryptic error message: The same happens if I try installing the package manually:
failed-installation
error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich: But I get a cryptic error message: The same happens if I try installing the package manually:
Permission denied error by installing matplotlib
It looks like your user does not have the permission to install packages in your system (for all users). Here’s how to fix this problem for Linux, macOS and Windows. Linux / macOS From your terminal, you can install the package for your user only, like this: OR You can use su or sudo from your terminal, to install the package …
Python3: ImportError: No module named ‘_ctypes’ when using Value from module multiprocessing
Installing libffi-dev and re-installing python3.7 fixed the problem for me. to cleanly build py 3.7 libffi-dev is required or else later stuff will fail If using RHEL/Fedora: or If using Debian/Ubuntu: