Fix some docstring tests

src/graph_tool/clustering/__init__.py

@@ -347,9 +347,9 @@ def motifs(g, k, p=1.0, motif_list=None, return_maps=False):
     >>> g = gt.random_graph(1000, lambda: (5,5))
     >>> motifs, counts = gt.motifs(gt.GraphView(g, directed=False), 4)
     >>> print(len(motifs))
-    52
+    13
     >>> print(counts)
-    [29259, 29111, 28420, 28618, 163659, 96696, 96821, 31366, 295, 162, 185, 257, 58, 74, 562, 300, 80, 240, 273, 112, 379, 167, 329, 536, 605, 641, 176, 540, 340, 317, 298, 87, 306, 275, 252, 9, 3, 11, 5, 9, 7, 2, 2, 1, 3, 1, 2, 1, 2, 1, 1, 1]
+    [115408, 388542, 1031, 1182, 2662, 2138, 833, 28, 16, 5, 5, 3, 4]
 
 
     References

src/graph_tool/community/blockmodel.py

@@ -2525,7 +2525,7 @@ def collect_edge_marginals(state, p=None):
        ...     ds, nmoves = gt.mcmc_sweep(state)
        ...     pe = gt.collect_edge_marginals(state, pe)
        >>> gt.bethe_entropy(state, pe)[0]
-       17.60977326250998...
+       17.6097732625099...
     """
 
     if p is None: