#17 has undefined behaviour if multiple histograms have the same name

pymule/vegas.py

@@ -131,6 +131,9 @@ def importvegas(filename="", fp=None, inttype='i'):
                 continue
             if abs(delta[i]) < 1e-15:
                 continue
+
+            if names[i] in dic:
+                names[i] += '2'
             x = ouarray(
                 np.inf, -np.inf,
                 np.around(