Description: Fix comparison with literal
Author: Gert Wollny <gewo@debian.org>
Debian-Bug: https://bugs.debian.org/950539
--- a/Wrapping/Python/vtk/numpy_interface/algorithms.py
+++ b/Wrapping/Python/vtk/numpy_interface/algorithms.py
@@ -197,7 +197,7 @@
                 return dsa.NoneArray;
 
             if res is dsa.NoneArray:
-                if max_dims is 1:
+                if max_dims == 1:
                     # Weird trick to make the array look like a scalar
                     max_dims = ()
                 res = numpy.empty(max_dims)