userland: path properties getting nice!

run

@@ -29,11 +29,15 @@ https://superuser.com/questions/1373226/how-to-redirect-qemu-serial-output-to-bo
 '''
         )
         self.add_argument(
-            '-c', '--cpus', default=1, type=int,
+            '-c',
+            '--cpus',
+            default=1,
+            type=int,
             help='Number of guest CPUs to emulate. Default: %(default)s'
         )
         self.add_argument(
-            '--ctrl-c-host', default=False,
+            '--ctrl-c-host',
+            default=False,
             help='''\
 Ctrl +C kills the QEMU simulator instead of being passed to the guest.
 '''
@@ -48,7 +52,8 @@ For --emulator native, this debugs the target program.
 '''
         )
         self.add_argument(
-            '--debug-vm-args', default='',
+            '--debug-vm-args',
+            default='',
             help='Pass arguments to GDB. Implies --debug-vm.'
         )
         self.add_argument(
@@ -59,7 +64,8 @@ which is what you usually want.
 '''
         )
         self.add_argument(
-            '-E', '--eval',
+            '-E',
+            '--eval',
             help='''\
 Replace the normal init with a minimal init that just evals the given string.
 See: https://github.com/cirosantilli/linux-kernel-module-cheat#replace-init
@@ -68,7 +74,8 @@ https://github.com/cirosantilli/linux-kernel-module-cheat#lkmc_home
 '''
         )
         self.add_argument(
-            '-F', '--eval-after',
+            '-F',
+            '--eval-after',
             help='''\
 Pass a base64 encoded command line parameter that gets evalled at the end of
 the normal init.
@@ -76,7 +83,9 @@ See: https://github.com/cirosantilli/linux-kernel-module-cheat#init-busybox
 '''
         )
         self.add_argument(
-            '-G', '--gem5-exe-args', default='',
+            '-G',
+            '--gem5-exe-args',
+            default='',
             help='''\
 Pass extra options to the gem5 executable.
 Do not confuse with the arguments passed to config scripts,
@@ -93,11 +102,13 @@ gem.op5 --debug-flags=Exec fs.py --cpu-type=HPI --caches
             help='Which gem5 script to use'
         )
         self.add_argument(
-            '--gem5-readfile', default='',
+            '--gem5-readfile',
+            default='',
             help='Set the contents of m5 readfile to this string.'
         )
         self.add_argument(
-            '--gem5-restore', type=int,
+            '--gem5-restore',
+            type=int,
             help='''\
 Restore the nth most recently taken gem5 checkpoint according to directory
 timestamps.