Plotting map using bounding box

plot_map.py

central_lat = sum(lats)/len(lats)
central_lng = sum(lngs)/len(lngs)

bbox = BoundingBox(coords)

map = Basemap(
            llcrnrlon=bbox.minx,llcrnrlat=bbox.miny,
            urcrnrlon=bbox.maxx,urcrnrlat=bbox.maxy,
            resolution='i', projection='tmerc', 
            lat_0 = central_lat, lon_0 = central_lng)

map.drawmapboundary(fill_color='aqua')
map.fillcontinents(color='coral',lake_color='aqua')
map.drawcoastlines()

x,y = map(lngs, lats)
map.plot(x, y, 'ro-')
plt.show()