1 files changed, 24 insertions, 23 deletions
diff --git a/llvm_tools/subprocess_helpers.py b/llvm_tools/subprocess_helpers.py
index 8845112c..bc87db85 100644
--- a/llvm_tools/subprocess_helpers.py
+++ b/llvm_tools/subprocess_helpers.py
@@ -1,58 +1,59 @@
 # -*- coding: utf-8 -*-
-# Copyright 2019 The Chromium OS Authors. All rights reserved.
+# Copyright 2019 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Helpers/wrappers for the subprocess module for migration to python3."""
 
-from __future__ import print_function
 
 import subprocess
 
 
 def CheckCommand(cmd):
-  """Executes the command using Popen()."""
+    """Executes the command using Popen()."""
 
-  cmd_obj = subprocess.Popen(
-      cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, encoding='UTF-8')
+    cmd_obj = subprocess.Popen(
+        cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, encoding="UTF-8"
+    )
 
-  stdout, _ = cmd_obj.communicate()
+    stdout, _ = cmd_obj.communicate()
 
-  if cmd_obj.returncode:
-    print(stdout)
-    raise subprocess.CalledProcessError(cmd_obj.returncode, cmd)
+    if cmd_obj.returncode:
+        print(stdout)
+        raise subprocess.CalledProcessError(cmd_obj.returncode, cmd)
 
 
 def check_output(cmd, cwd=None):
-  """Wrapper for pre-python3 subprocess.check_output()."""
+    """Wrapper for pre-python3 subprocess.check_output()."""
 
-  return subprocess.check_output(cmd, encoding='UTF-8', cwd=cwd)
+    return subprocess.check_output(cmd, encoding="UTF-8", cwd=cwd)
 
 
 def check_call(cmd, cwd=None):
-  """Wrapper for pre-python3 subprocess.check_call()."""
+    """Wrapper for pre-python3 subprocess.check_call()."""
 
-  subprocess.check_call(cmd, encoding='UTF-8', cwd=cwd)
+    subprocess.check_call(cmd, encoding="UTF-8", cwd=cwd)
 
 
 # FIXME: CTRL+C does not work when executing a command inside the chroot via
 # `cros_sdk`.
 def ChrootRunCommand(chroot_path, cmd, verbose=False):
-  """Runs the command inside the chroot."""
+    """Runs the command inside the chroot."""
 
-  exec_chroot_cmd = ['cros_sdk', '--']
-  exec_chroot_cmd.extend(cmd)
+    exec_chroot_cmd = ["cros_sdk", "--"]
+    exec_chroot_cmd.extend(cmd)
 
-  return ExecCommandAndCaptureOutput(
-      exec_chroot_cmd, cwd=chroot_path, verbose=verbose)
+    return ExecCommandAndCaptureOutput(
+        exec_chroot_cmd, cwd=chroot_path, verbose=verbose
+    )
 
 
 def ExecCommandAndCaptureOutput(cmd, cwd=None, verbose=False):
-  """Executes the command and prints to stdout if possible."""
+    """Executes the command and prints to stdout if possible."""
 
-  out = check_output(cmd, cwd=cwd).rstrip()
+    out = check_output(cmd, cwd=cwd).rstrip()
 
-  if verbose and out:
-    print(out)
+    if verbose and out:
+        print(out)
 
-  return out
+    return out