Format python files using yapf

Change-Id: I8b7b97efb6bfdcceef9efc533cdaa0675ab7db40
diff --git a/tools/d8logger.py b/tools/d8logger.py
index b523294..73d4a9e 100755
--- a/tools/d8logger.py
+++ b/tools/d8logger.py
@@ -7,4 +7,4 @@
 import toolhelper
 
 if __name__ == '__main__':
-  sys.exit(toolhelper.run('d8logger', sys.argv[1:]))
+    sys.exit(toolhelper.run('d8logger', sys.argv[1:]))