Make the method protected so that subclasses can override it.

Author: khatchad

com.ibm.wala.cast.python.ml/source/com/ibm/wala/cast/python/ml/client/TensorGenerator.java

@@ -298,7 +298,7 @@ protected Set<List<Dimension<?>>> getShapes(
    * @param pointsToSet The points-to set of the value from which the shape will be derived.
    * @return A set of possible shapes of the tensor returned by this generator.
    */
-  private Set<List<Dimension<?>>> getShapesOfValue(
+  protected Set<List<Dimension<?>>> getShapesOfValue(
       PropagationCallGraphBuilder builder, OrdinalSet<InstanceKey> valuePointsToSet) {
     if (valuePointsToSet == null || valuePointsToSet.isEmpty())
       throw new IllegalArgumentException(