fix save_input_conf with python3: device_uuid is 'bytes' and python3 …

…is being facetious

git-svn-id: https://xpra.org/svn/Xpra/trunk@23240 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/x11/vfb_util.py

@@ -16,7 +16,7 @@
 from xpra.os_util import (
     setsid, shellsub, close_fds,
     setuidgid, getuid, getgid,
-    strtobytes, osexpand, monotonic_time,
+    strtobytes, bytestostr, osexpand, monotonic_time,
     POSIX, OSX, PYTHON3,
     )
 from xpra.platform.displayfd import read_displayfd, parse_displayfd
@@ -90,7 +90,7 @@ def cleanup_input_conf_files():
 #create individual device files:
 def save_input_conf(xorg_conf_dir, i, dev_type, device_uuid, uid, gid):
     upper_dev_type = dev_type[:1].upper()+dev_type[1:]   #ie: Pointer
-    product_name = "Xpra Virtual %s %s" % (upper_dev_type, device_uuid)
+    product_name = "Xpra Virtual %s %s" % (upper_dev_type, bytestostr(device_uuid))
     identifier = "xpra-virtual-%s" % dev_type
     conf_file = os.path.join(xorg_conf_dir, "%02i-%s.conf" % (i, dev_type))
     with open(conf_file, "wb") as f: