old_contents: 
  from bokeh.sampledata.autompg import autompg as df
  from bokeh.sampledata.olympics2014 import data
  from bokeh.sampledata.iris import flowers
  
  from bokeh.charts import Scatter, output_file, show, vplot, hplot
  from bokeh.charts.operations import blend
  from bokeh.charts.utils import df_from_json
  import pandas as pd
  
  scatter0 = Scatter(
      df, x='mpg', title="x='mpg'", xlabel="Miles Per Gallon")
  
  scatter1 = Scatter(
      df, x='mpg', y='hp', title="x='mpg', y='hp'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter2 = Scatter(
      df, x='mpg', y='hp', color='cyl', title="x='mpg', y='hp', color='cyl'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter3 = Scatter(
      df, x='mpg', y='hp', color='origin', title="x='mpg', y='hp', color='origin'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter4 = Scatter(
      df, x='mpg', y='hp', color='cyl', marker='origin', title="x='mpg', y='hp', color='cyl', marker='origin'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  # Example with nested json/dict like data, which has been pre-aggregated and pivoted
  df2 = df_from_json(data)
  df2 = df2.sort('medals.total', ascending=False)
  
  df2 = df2.head(10)
  df2 = pd.melt(df2, id_vars=['abbr', 'name'])
  
  scatter5 = Scatter(
      df2, x='value', y='name', color='variable', title="x='value', y='name', color='variable'",
      xlabel="Medals", ylabel="Top 10 Countries", legend='bottom_right')
  
  
  scatter6 = Scatter(flowers, x=blend('petal_length', 'sepal_length', name='length'),
                     y=blend('petal_width', 'sepal_width', name='width'), color='species',
                     title='x=petal_length+sepal_length, y=petal_width+sepal_width, color=species',
                     legend='top_right')
  
  output_file("scatter_multi.html")
  
  show(vplot(
      hplot(scatter0, scatter1),
      hplot(scatter2, scatter3),
      hplot(scatter4, scatter5),
      hplot(scatter6)
  ))
  
new_contents: 
  from bokeh.sampledata.autompg import autompg as df
  from bokeh.sampledata.olympics2014 import data
  from bokeh.sampledata.iris import flowers
  
  from bokeh.charts import Scatter, output_file, show, vplot, hplot
  from bokeh.charts.operations import blend
  from bokeh.charts.utils import df_from_json
  import pandas as pd
  
  scatter0 = Scatter(
      df, x='mpg', title="x='mpg'", xlabel="Miles Per Gallon")
  
  scatter1 = Scatter(
      df, x='mpg', y='hp', title="x='mpg', y='hp'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter2 = Scatter(
      df, x='mpg', y='hp', color='cyl', title="x='mpg', y='hp', color='cyl'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter3 = Scatter(
      df, x='mpg', y='hp', color='origin', title="x='mpg', y='hp', color='origin'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  scatter4 = Scatter(
      df, x='mpg', y='hp', color='cyl', marker='origin', title="x='mpg', y='hp', color='cyl', marker='origin'",
      xlabel="Miles Per Gallon", ylabel="Horsepower", legend='top_right')
  
  # Example with nested json/dict like data, which has been pre-aggregated and pivoted
  df2 = df_from_json(data)
  df2 = df2.sort('total', ascending=False)
  
  df2 = df2.head(10)
  df2 = pd.melt(df2, id_vars=['abbr', 'name'])
  
  scatter5 = Scatter(
      df2, x='value', y='name', color='variable', title="x='value', y='name', color='variable'",
      xlabel="Medals", ylabel="Top 10 Countries", legend='bottom_right')
  
  
  scatter6 = Scatter(flowers, x=blend('petal_length', 'sepal_length', name='length'),
                     y=blend('petal_width', 'sepal_width', name='width'), color='species',
                     title='x=petal_length+sepal_length, y=petal_width+sepal_width, color=species',
                     legend='top_right')
  
  output_file("scatter_multi.html")
  
  show(vplot(
      hplot(scatter0, scatter1),
      hplot(scatter2, scatter3),
      hplot(scatter4, scatter5),
      hplot(scatter6)
  ))
  
subject: fix bad column name [ci enable examples]