Recursive clone of circuitpython fails due to bad submodule path #2762
Description
The circuitpython repository includes the following submodule:
[submodule "extmod/ulab"]
path = extmod/ulab
url = https://github.com/v923z/micropython-ulab/
The trailing slash on the repository URL causes a failure when trying to clone it:
$ git clone https://github.com/v923z/micropython-ulab/
Cloning into 'micropython-ulab'...
ERROR: Repository not found.
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
This results in a failure when trying to clone circuitpython using git clone --recurse-submodules or when running git submodule update.