Fix compilation error.

Author: khatchad

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

@@ -98,8 +98,8 @@ private static Set<Integer> getPossibleInnerListLengths(
         boolean containsAllListsOrTuples =
             StreamSupport.stream(instanceFieldPointsToSet.spliterator(), false)
                 .allMatch(
-                    ik -> {
-                      AllocationSiteInNode innerAsin = getAllocationSiteInNode(ik);
+                    ifk -> {
+                      AllocationSiteInNode innerAsin = getAllocationSiteInNode(ifk);
 
                       if (innerAsin == null) return false;