fix: Allow creating partition table on empty disks in safe mode

Author: vojtechtrefny

library/blivet.py

@@ -1714,7 +1714,7 @@ def _look_up_device(self):
     def _create(self):
         if self._device.format.type != "disklabel" or \
            (disklabel_type and self._device.format.label_type != disklabel_type):
-            if safe_mode:
+            if safe_mode and self._device.format.name != get_format(None).name:
                 raise BlivetAnsibleError("cannot remove existing formatting and/or devices on disk '%s' "
                                          "(pool '%s') in safe mode" % (self._device.name, self._pool['name']))
             else: