PandasCharts

.py

#Forcing the labels to be empty strings and then setting the labels in the legend is one way to prevent the pie charts from repeating labels
labels = 'Female', 'Male'
miles_by_gender_pie.plot.pie(subplots=True, labels=['', ''], figsize=(12,3.8), autopct='%.2f')
plt.axis('equal')
plt.legend(labels=labels)
plt.show()

#Also increasing the size of tick marks was just a matter of doing `plt.tick_params(labelsize=15)`

#This is my visualization of the breakdown of user types by year. It feels like a round about way to do things, but I wasn't sure how to grab just the user types and sum them another way.
user_type_pie = uniqueStations.groupby(["START TIME YEAR","USER TYPE"]).apply(len).reset_index()
user_type_pie.columns = ['Year', 'User Type', 'People']

thing = pd.pivot_table(user_type_pie, index=['User Type'], columns=['Year'], values=['People'])

labels = ['Customer', 'Subscriber']
thing.plot.pie(subplots=True, labels=['', ''], figsize=(12,3.8), autopct='%.2f')
plt.axis('equal')
plt.legend(labels=labels)
plt.show()