skip_checks part, back to upstream version

Author: sheyma

mapalign/embed.py

@@ -61,8 +61,8 @@ def compute_diffusion_map(L, alpha=0.5, n_components=None, diffusion_time=0,
 
     if not skip_checks:
         from sklearn.manifold.spectral_embedding_ import _graph_is_connected
-        if _graph_is_connected(L):
-           print "Graph is connected"
+        if not _graph_is_connected(L):
+            raise ValueError('Graph is disconnected')
 
     ndim = L.shape[0]
     if overwrite: