Fixed a logic test for empty lsblk info

archinstall/lib/disk/helpers.py

@@ -423,7 +423,6 @@ def get_partitions_in_use(mountpoint :str) -> Dict[str, Any]:
 		return {}
 
 	output = json.loads(output)
-	# print(output)
 
 	mounts = {}
 

archinstall/lib/disk/partition.py

@@ -223,9 +223,12 @@ class Partition:
 		lsblk_info = self._call_lsblk()
 		sfdisk_info = self._call_sfdisk()
 
-		if not (device := lsblk_info.get('blockdevices', [None])[0]):
+		if not (device := lsblk_info.get('blockdevices', [])):
 			raise DiskError(f'Failed to retrieve information for "{self.device_path}" with lsblk')
 
+		# Grab the first (and only) block device in the list as we're targeting a specific partition
+		device = device[0]
+
 		mountpoints = [Path(mountpoint) for mountpoint in device['mountpoints'] if mountpoint]
 		bootable = sfdisk_info.get('bootable', False) or sfdisk_info.get('type', '') == 'C12A7328-F81F-11D2-BA4B-00A0C93EC93B'