Make sure the hwinfo executable exists before calling it

src/modules/initcpiocfg/main.py

@@ -20,12 +20,14 @@
 import libcalamares
 import os
 import subprocess
+import shutil
 from libcalamares.utils import check_chroot_call
 
 
 def get_cpu():
     """ Check if system is an intel system. """
 
+    if shutil.which("hwinfo") != None:
         process1 = subprocess.Popen(["hwinfo", "--cpu"], stdout=subprocess.PIPE)
         process2 = subprocess.Popen(["grep", "Model:[[:space:]]"],
                                     stdin=process1.stdout, stdout=subprocess.PIPE)
@@ -33,6 +35,7 @@ def get_cpu():
         out, err = process2.communicate()
         return out.decode().lower()
 
+    return ""
 
 def set_mkinitcpio_hooks_and_modules(hooks, modules, root_mount_point):
     """ Set up mkinitcpio.conf """