changed diagnostic from "warning" to "note" in the python wrapper generator, to…

changed diagnostic from "warning" to "note" in the python wrapper generator, to suppress some noise in opencv utilities

modules/python/src2/gen2.py

@@ -243,9 +243,9 @@ class ClassInfo(object):
         if decl:
             self.bases = decl[1].split()[1:]
             if len(self.bases) > 1:
-                print "Warning: class %s has more than 1 base class (not supported by Python C extensions)" % (self.name,)
-                print "Bases: ", " ".join(self.bases)
-                print "Only the first base class will be used"
+                print "Note: Class %s has more than 1 base class (not supported by Python C extensions)" % (self.name,)
+                print "      Bases: ", " ".join(self.bases)
+                print "      Only the first base class will be used"
                 self.bases = [self.bases[0].strip(",")]
                 #return sys.exit(-1)
             if self.bases and self.bases[0].startswith("cv::"):