diff -r 9534be896b85 -r 8f012c58f27e scripts/install.py --- a/scripts/install.py Sun Feb 21 12:53:26 2021 +0100 +++ b/scripts/install.py Mon Feb 22 19:15:06 2021 +0100 @@ -1536,7 +1536,12 @@ # available (e.g. for 32-Bit Windows) (("PyQt5.QtWebEngineWidgets", ), sys.maxsize <= 2**32), ] - optionalModulesList = {} + optionalModulesList = { + # key is pip project name + # value is tuple of package name, pip install constraint + "PyYAML": ("yaml", ""), + "toml": ("toml", ""), + } # dict with tuples of package name and install constraint if sys.platform != "darwin" and not ignorePyqt5Tools: optionalModulesList["qt5-applications"] = ("qt5_applications",