1 files changed, 53 insertions, 47 deletions
diff --git a/crosperf/column_chart.py b/crosperf/column_chart.py
index 400979ee..6ed99bf0 100644
--- a/crosperf/column_chart.py
+++ b/crosperf/column_chart.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2011 The Chromium OS Authors. All rights reserved.
+# Copyright 2011 The ChromiumOS Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -7,46 +7,46 @@
 
 
 class ColumnChart(object):
-  """class to draw column chart."""
-
-  def __init__(self, title, width, height):
-    self.title = title
-    self.chart_div = ''.join(t for t in title if t.isalnum())
-    self.width = width
-    self.height = height
-    self.columns = []
-    self.rows = []
-    self.series = []
-
-  def AddSeries(self, column_name, series_type, color):
-    for i in range(len(self.columns)):
-      if column_name == self.columns[i][1]:
-        self.series.append((i - 1, series_type, color))
-        break
-
-  def AddColumn(self, name, column_type):
-    self.columns.append((column_type, name))
-
-  def AddRow(self, row):
-    self.rows.append(row)
-
-  def GetJavascript(self):
-    res = 'var data = new google.visualization.DataTable();\n'
-    for column in self.columns:
-      res += "data.addColumn('%s', '%s');\n" % column
-    res += 'data.addRows(%s);\n' % len(self.rows)
-    for row in range(len(self.rows)):
-      for column in range(len(self.columns)):
-        val = self.rows[row][column]
-        if isinstance(val, str):
-          val = "'%s'" % val
-        res += 'data.setValue(%s, %s, %s);\n' % (row, column, val)
-
-    series_javascript = ''
-    for series in self.series:
-      series_javascript += "%s: {type: '%s', color: '%s'}, " % series
-
-    chart_add_javascript = """
+    """class to draw column chart."""
+
+    def __init__(self, title, width, height):
+        self.title = title
+        self.chart_div = "".join(t for t in title if t.isalnum())
+        self.width = width
+        self.height = height
+        self.columns = []
+        self.rows = []
+        self.series = []
+
+    def AddSeries(self, column_name, series_type, color):
+        for i in range(len(self.columns)):
+            if column_name == self.columns[i][1]:
+                self.series.append((i - 1, series_type, color))
+                break
+
+    def AddColumn(self, name, column_type):
+        self.columns.append((column_type, name))
+
+    def AddRow(self, row):
+        self.rows.append(row)
+
+    def GetJavascript(self):
+        res = "var data = new google.visualization.DataTable();\n"
+        for column in self.columns:
+            res += "data.addColumn('%s', '%s');\n" % column
+        res += "data.addRows(%s);\n" % len(self.rows)
+        for row in range(len(self.rows)):
+            for column in range(len(self.columns)):
+                val = self.rows[row][column]
+                if isinstance(val, str):
+                    val = "'%s'" % val
+                res += "data.setValue(%s, %s, %s);\n" % (row, column, val)
+
+        series_javascript = ""
+        for series in self.series:
+            series_javascript += "%s: {type: '%s', color: '%s'}, " % series
+
+        chart_add_javascript = """
 var chart_%s = new google.visualization.ComboChart(
   document.getElementById('%s'));
 chart_%s.draw(data, {width: %s, height: %s, title: '%s', legend: 'none',
@@ -54,10 +54,16 @@ chart_%s.draw(data, {width: %s, height: %s, title: '%s', legend: 'none',
   vAxis: {minValue: 0}})
 """
 
-    res += chart_add_javascript % (self.chart_div, self.chart_div,
-                                   self.chart_div, self.width, self.height,
-                                   self.title, series_javascript)
-    return res
+        res += chart_add_javascript % (
+            self.chart_div,
+            self.chart_div,
+            self.chart_div,
+            self.width,
+            self.height,
+            self.title,
+            series_javascript,
+        )
+        return res
 
-  def GetDiv(self):
-    return "<div id='%s' class='chart'></div>" % self.chart_div
+    def GetDiv(self):
+        return "<div id='%s' class='chart'></div>" % self.chart_div