initialize before using

uwescience · May 1, 2017 · 8fef185 · 8fef185
1 parent c79612c
commit 8fef185
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/edu/washington/escience/myria/expression/evaluate/PythonUDFEvaluator.java b/src/edu/washington/escience/myria/expression/evaluate/PythonUDFEvaluator.java
@@ -115,6 +115,7 @@ public PythonUDFEvaluator(
     pyWorker = new PythonWorker();
     pyWorker.sendCodePickle(fs.getBinary(), columnIdxs.length, outputType, isMultiValued);
     buffer = new TupleBuffer(stateSchema);
+    groups = new IntObjectHashMap<>();
   }
 
   /**