osmnx to get OSM polygons

%matplotlib inline
import osmnx as ox
import matplotlib.pyplot as plt

place_name = "Nzwani Centre, Comores"
graph = ox.graph_from_place(place_name, which_result=2)  
fig, ax = ox.plot_graph(graph)

area = ox.gdf_from_place(place_name)
buildings = ox.buildings_from_place(place_name)
nodes, edges = ox.graph_to_gdfs(graph)

fig, ax = plt.subplots()
area.plot(ax=ax, facecolor='black')
edges.plot(ax=ax, linewidth=1, edgecolor='#BC8F8F')
buildings.plot(ax=ax, facecolor='khaki', alpha=0.7)
plt.tight_layout()