Fix example in graph_draw() docstring

src/graph_tool/draw/__init__.py

@@ -232,11 +232,7 @@ def graph_draw(g, pos=None, size=(15, 15), pin=False, layout=None, maxiter=None,
     >>> g = gt.random_graph(1000, lambda: min(zipf(2.4), 40),
     ...                     lambda i,j: exp(abs(i-j)), directed=False)
     >>> # extract largest component
-    >>> comp = gt.label_components(g)
-    >>> h = gt.vertex_hist(g, comp)
-    >>> max_comp = h[1][list(h[0]).index(max(h[0]))]
-    >>> g.remove_vertex_if(lambda v: comp[v] != max_comp)
-    >>>
+    >>> g = GraphView(g, vfilt=gt.label_largest_component(g))
     >>> deg = g.degree_property_map("out")
     >>> deg.get_array()[:] = 2*(sqrt(deg.get_array()[:])*0.5 + 0.4)
     >>> ebet = gt.betweenness(g)[1]