Your question is not obvious what you mean.
Python is required in "make deps" which uses python script to download libs.
You have to have python in your system and pointed in your system PATH.
To check if it's visible, run CMD and put "python --version"
Or you can download Johannes libopencm3 manually from his repo and put in place. See .py script in editor.
If you talking about Chocolatey
Know the Requirements:
Windows 7+ / Windows Server 2003+
PowerShell v2+ (minimum is v3 for install from this website due to TLS 1.2 requirement)
.NET Framework 4+ (the installation will attempt to install .NET 4.0 if you do not have it installed)(minimum is 4.5 for install from this website due to TLS 1.2 requirement)
install python 3.9.3 in chocolatey:
"choco install python"