import script cannot find mbed-printf

[Spice-Weasel]

As titled, other modules are located when using

mbed import https://github.com/armmbed/mbed-os-example-lorawan-fuota

As suggested in the repository, but cloning fails on

[mbed] Adding library "mbed-printf" from "https://github.com/ARMmbed/mbed-printf" at rev #5cbf9d1dcb58