old_contents: 
  from gmaps.loader import init
  from gmaps.heatmap import heatmap
  from gmaps.plainmap import plainmap
  
  import gmaps.datasets as datasets
  
  from IPython.display import display
  
  __version__ = "0.2.0"
  
  init()
  
new_contents: 
  from gmaps.loader import init
  from gmaps.heatmap import heatmap
  from gmaps.plainmap import plainmap
  
  import gmaps.datasets as datasets
  
  from IPython.display import display
  
  __version__ = "0.2.1-dev"
  
  init()
  
subject: Bump version to 0.2.1-dev