Remove view_map when it is not a view. This remove DebugMode warning about not efficiency.

theano/sparse/basic.py

@@ -679,10 +679,6 @@ class CSM(gof.Op):
            a regular grad.
     """
 
-    # should view the other inputs too, but viewing multiple inputs is not
-    view_map = {0: [0]}
-    #currently supported by the destroyhandler
-
     kmap = None
     """Indexing to speficied what part of the data parameter
     should be use to construct the sparse matrix."""
@@ -701,6 +697,11 @@ class CSM(gof.Op):
 
         self.kmap = kmap
 
+        if not isinstance(self.kmap, numpy.ndarray):
+            # should view the other inputs too, but viewing multiple
+            # inputs is not currently supported by the destroyhandler
+            self.view_map = {0: [0]}
+
         self._hashval = (hash(type(self)) ^ hash(self.format) ^
                          _kmap_hash(self.kmap))