Formatting: Format all python code with black.

This CL is probably not what you're looking for, it's only
automated formatting. Ignore it with
`git blame --ignore-rev <revision>` for this commit.

BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/cros_vm.py b/scripts/cros_vm.py
index 9e7c905..b00dc69 100644
--- a/scripts/cros_vm.py
+++ b/scripts/cros_vm.py
@@ -10,16 +10,16 @@
 
 
 def main(argv):
-  opts = vm.VM.GetParser().parse_args(argv)
-  opts.Freeze()
+    opts = vm.VM.GetParser().parse_args(argv)
+    opts.Freeze()
 
-  try:
-    vm.VM(opts).Run()
-    return 0
-  except vm.VMError as e:
-    logging.error('%s', e)
-    if opts.debug:
-      raise
+    try:
+        vm.VM(opts).Run()
+        return 0
+    except vm.VMError as e:
+        logging.error("%s", e)
+        if opts.debug:
+            raise
 
-    logging.error('(Re-run with --debug for more details.)')
-    return 1
+        logging.error("(Re-run with --debug for more details.)")
+        return 1