Format python files using yapf

Change-Id: I8b7b97efb6bfdcceef9efc533cdaa0675ab7db40
diff --git a/tools/jdk.py b/tools/jdk.py
index f37d272..ba7ddfb 100755
--- a/tools/jdk.py
+++ b/tools/jdk.py
@@ -10,80 +10,92 @@
 
 JDK_DIR = os.path.join(defines.THIRD_PARTY, 'openjdk')
 
-ALL_JDKS = ['openjdk-9.0.4', 'jdk-11', 'jdk-15', 'jdk-16', 'jdk-17',
-            'jdk-18', 'jdk-20']
+ALL_JDKS = [
+    'openjdk-9.0.4', 'jdk-11', 'jdk-15', 'jdk-16', 'jdk-17', 'jdk-18', 'jdk-20'
+]
 
 
 def GetJdkHome():
-  return GetJdk11Home()
+    return GetJdk11Home()
+
 
 def GetJdkRoot():
-  return GetJdk11Root()
+    return GetJdk11Root()
+
 
 def GetJdk11Root():
-  root = os.path.join(JDK_DIR, 'jdk-11')
-  os_root = GetOSPath(root)
-  return os_root if os_root else os.environ['JAVA_HOME']
+    root = os.path.join(JDK_DIR, 'jdk-11')
+    os_root = GetOSPath(root)
+    return os_root if os_root else os.environ['JAVA_HOME']
+
 
 def GetOSPath(root):
-  if defines.IsLinux():
-    return os.path.join(root, 'linux')
-  elif defines.IsOsX():
-    return os.path.join(root, 'osx')
-  elif defines.IsWindows():
-    return os.path.join(root, 'windows')
-  else:
-    return None
+    if defines.IsLinux():
+        return os.path.join(root, 'linux')
+    elif defines.IsOsX():
+        return os.path.join(root, 'osx')
+    elif defines.IsWindows():
+        return os.path.join(root, 'windows')
+    else:
+        return None
+
 
 def GetAllJdkDirs():
-  dirs = []
-  for jdk in ALL_JDKS:
-    root = GetOSPath(os.path.join(JDK_DIR, jdk))
-    # Some jdks are not available on windows, don't try to get these.
-    if os.path.exists(root + '.tar.gz.sha1'):
-      dirs.append(root)
-  return dirs
+    dirs = []
+    for jdk in ALL_JDKS:
+        root = GetOSPath(os.path.join(JDK_DIR, jdk))
+        # Some jdks are not available on windows, don't try to get these.
+        if os.path.exists(root + '.tar.gz.sha1'):
+            dirs.append(root)
+    return dirs
+
 
 def GetJdk11Home():
-  root = GetJdk11Root()
-  # osx has the home inside Contents/Home in the bundle
-  if defines.IsOsX():
-    return os.path.join(root,'Contents', 'Home')
-  else:
-    return root
+    root = GetJdk11Root()
+    # osx has the home inside Contents/Home in the bundle
+    if defines.IsOsX():
+        return os.path.join(root, 'Contents', 'Home')
+    else:
+        return root
+
 
 def GetJdk9Home():
-  root = os.path.join(JDK_DIR, 'openjdk-9.0.4')
-  if defines.IsLinux():
-    return os.path.join(root, 'linux')
-  elif defines.IsOsX():
-    return os.path.join(root, 'osx')
-  elif defines.IsWindows():
-    return os.path.join(root, 'windows')
-  else:
-    return os.environ['JAVA_HOME']
+    root = os.path.join(JDK_DIR, 'openjdk-9.0.4')
+    if defines.IsLinux():
+        return os.path.join(root, 'linux')
+    elif defines.IsOsX():
+        return os.path.join(root, 'osx')
+    elif defines.IsWindows():
+        return os.path.join(root, 'windows')
+    else:
+        return os.environ['JAVA_HOME']
+
 
 def GetJdk8Home():
-  root = os.path.join(JDK_DIR, 'jdk8')
-  if defines.IsLinux():
-    return os.path.join(root, 'linux-x86')
-  elif defines.IsOsX():
-    return os.path.join(root, 'darwin-x86')
-  else:
-    return os.environ['JAVA_HOME']
+    root = os.path.join(JDK_DIR, 'jdk8')
+    if defines.IsLinux():
+        return os.path.join(root, 'linux-x86')
+    elif defines.IsOsX():
+        return os.path.join(root, 'darwin-x86')
+    else:
+        return os.environ['JAVA_HOME']
+
 
 def GetJavaExecutable(jdkHome=None):
-  jdkHome = jdkHome if jdkHome else GetJdkHome()
-  executable = 'java.exe' if defines.IsWindows() else 'java'
-  return os.path.join(jdkHome, 'bin', executable) if jdkHome else executable
+    jdkHome = jdkHome if jdkHome else GetJdkHome()
+    executable = 'java.exe' if defines.IsWindows() else 'java'
+    return os.path.join(jdkHome, 'bin', executable) if jdkHome else executable
+
 
 def GetJavacExecutable(jdkHome=None):
-  jdkHome = jdkHome if jdkHome else GetJdkHome()
-  executable = 'javac.exe' if defines.IsWindows() else 'javac'
-  return os.path.join(jdkHome, 'bin', executable) if jdkHome else executable
+    jdkHome = jdkHome if jdkHome else GetJdkHome()
+    executable = 'javac.exe' if defines.IsWindows() else 'javac'
+    return os.path.join(jdkHome, 'bin', executable) if jdkHome else executable
+
 
 def Main():
-  print(GetJdkHome())
+    print(GetJdkHome())
+
 
 if __name__ == '__main__':
-  sys.exit(Main())
+    sys.exit(Main())