Plot does not render title/axis titles

[AdrianaCeric]

Description of the bug

PLotting with Pandana/UrbanAccess doesn't properly format title when calling .set_title

GTFS feed or OSM data (optional)

bbox = [43.435966,-80.682529,43.528884,-80.418858]

Environment

• Operating system: Windows

• Python version: 3.9.7

• UrbanAccess version:

Paste the code that reproduces the issue here:

n = 1
bmap, fig, ax = network.plot(access[n], bbox=bbox, plot_kwargs=plot_kwargs, fig_kwargs=fig_kwargs, 
                            )
ax.set_axis_bgcolor('k')
ax.set_title('Walking distance (m) to nearest amenity around Waterloo', fontsize=15)

Paste the error message (if applicable):

No error but this happens: