<urlopen error [Errno -2] Name or service not known>

[Xphobia]

Problem

woeusb command failed with errors "<urlopen error [Errno -2] Name or service not known>"

Test Environment

(1) OS: CentOS Linux release 7.6.1810 (Core), it's a vmware guest, say, centos76-vm.
(2) WoeUSB-ng: 0.2.6

How to reproduce

(1) Add scsi disk (/dev/sdb) to centos76-vm
(2) excute woeusb command as follows

woeusb --tgt-fs NTFS -d en_windows_server_2012_vl_x64_dvd_917758.iso /dev/sdb

Expected

build successfully

Actual

build failed

More infomation

[WaxyMocha]

At one of the last stages of creating a bootable pendrive, woeusb downloads uefi image from github, maybe you were not connected to internet? Can you open https://github.com/pbatard/rufus/raw/master/res/uefi/?

[Xphobia]

At one of the last stages of creating a bootable pendrive, woeusb downloads uefi image from github, maybe you were not connected to internet? Can you open https://github.com/pbatard/rufus/raw/master/res/uefi/?

Thanks. Yes, it's the network problem.

[WaxyMocha]

I'll fix error catch so the error will be more verbose.