Merge pull request #42 from DataSketches/varopt_udf

remove unnecessary throws (and get IDE to start flagging it)
diff --git a/src/main/java/com/yahoo/sketches/pig/sampling/VarOptCommonImpl.java b/src/main/java/com/yahoo/sketches/pig/sampling/VarOptCommonImpl.java
index a056c76..56899f7 100644
--- a/src/main/java/com/yahoo/sketches/pig/sampling/VarOptCommonImpl.java
+++ b/src/main/java/com/yahoo/sketches/pig/sampling/VarOptCommonImpl.java
@@ -75,7 +75,7 @@
   }
 
   // Serializes a sketch to a DataByteArray and wraps it in a Tuple
-  static Tuple wrapSketchInTuple(final VarOptItemsSketch<Tuple> sketch) throws IOException {
+  static Tuple wrapSketchInTuple(final VarOptItemsSketch<Tuple> sketch) {
     final DataByteArray dba = new DataByteArray(sketch.toByteArray(SERDE));
     return TUPLE_FACTORY.newTuple(dba);
   }
diff --git a/src/test/java/com/yahoo/sketches/pig/sampling/VarOptSamplingTest.java b/src/test/java/com/yahoo/sketches/pig/sampling/VarOptSamplingTest.java
index a7eca40..21ca4ee 100644
--- a/src/test/java/com/yahoo/sketches/pig/sampling/VarOptSamplingTest.java
+++ b/src/test/java/com/yahoo/sketches/pig/sampling/VarOptSamplingTest.java
@@ -66,6 +66,7 @@
     }
   }
 
+  @SuppressWarnings("unused")
   @Test
   public void algebraicFinalConstructors() {
     // these there should work