code: def make_chart(self):
  		'''
  		Returns
  		-------
  		altair.Chart
  		'''
  		task_df = self.get_task_df()
  		import altair as alt
  		chart = alt.Chart(task_df).mark_bar().encode(
  			x='start',
  			x2='end',
  			y='term',
  		)
  		return charf make_chart(self):
  		'''
  		Returns
  		-------
  		altair.Chart
  		'''
  		task_df = self.get_task_df()
  		import altair as alt
  		chart = alt.Chart(task_df).mark_bar().encode(
  			x='start',
  			x2='end',
  			y='term',
  		)
  		return chart
docs: Returns
  		-------
  		altair.Chart