Renamed variable for clarity.

Author: khatchad

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

@@ -95,9 +95,9 @@ protected Set<List<Dimension<?>>> getShapes(PropagationCallGraphBuilder builder)
       shapes.forEach(
           shape -> {
             alphaShapes.forEach(
-                alphaShape -> {
+                aShape -> {
                   List<Dimension<?>> newShape = new ArrayList<>(shape);
-                  newShape.addAll(alphaShape);
+                  newShape.addAll(aShape);
                   ret.add(newShape);
                 });
           });