debug mcs...

gmatch4py/base.pyx

@@ -216,6 +216,9 @@ cdef class Base:
         networkx.Graph
             Most common Subgrah
         """
+        R=G.copy()
+        R.remove_nodes_from(n for n in G if n not in H)
+        return R
 
     cpdef bint isAccepted(self,G,index,selected):
         """

setup.py

@@ -69,4 +69,6 @@ f=True
 if f:
     if os.path.exists("build"):
         shutil.rmtree("build")
+    if os.path.exists("dist"):
+        shutil.rmtree("dist")
     os.system("find . -name \*.c -delete ; find . -name \*.cpp -delete ;")
\ No newline at end of file