diff --git a/test/pca1d-test.js b/test/pca1d-test.js
index 4d3cbd6..243e0b9 100644
--- a/test/pca1d-test.js
+++ b/test/pca1d-test.js
@@ -1,7 +1,7 @@
 const reorder = require('../dist/reorder.cjs');
 
-const vows = require('vows'),
-  assert = require('assert');
+const vows = require('vows');
+const assert = require('assert');
 
 const suite = vows.describe('reorder.pca1d');
 
@@ -9,18 +9,18 @@ suite.addBatch({
   pca1d: {
     simple() {
       const mat = [
-          [2.5, 2.4],
-          [0.5, 0.7],
-          [2.2, 2.9],
-          [1.9, 2.2],
-          [3.1, 3.0],
-          [2.3, 2.7],
-          [2.0, 1.6],
-          [1.0, 1.1],
-          [1.5, 1.6],
-          [1.1, 0.9],
-        ],
-        pca = reorder.pca1d(mat);
+        [2.5, 2.4],
+        [0.5, 0.7],
+        [2.2, 2.9],
+        [1.9, 2.2],
+        [3.1, 3.0],
+        [2.3, 2.7],
+        [2.0, 1.6],
+        [1.0, 1.1],
+        [1.5, 1.6],
+        [1.1, 0.9],
+      ];
+      const pca = reorder.pca1d(mat);
 
       assert.inDeltaArray(pca, [0.67833, 0.734755], 0.001);
 
@@ -28,29 +28,29 @@ suite.addBatch({
     },
     lesssimple() {
       const data = [
-          [80, 27, 89, 42],
-          [80, 27, 88, 37],
-          [75, 25, 90, 37],
-          [62, 24, 87, 28],
-          [62, 22, 87, 18],
-          [62, 23, 87, 18],
-          [62, 24, 93, 19],
-          [62, 24, 93, 20],
-          [58, 23, 87, 15],
-          [58, 18, 80, 14],
-          [58, 18, 89, 14],
-          [58, 17, 88, 13],
-          [58, 18, 82, 11],
-          [58, 19, 93, 12],
-          [50, 18, 89, 8],
-          [50, 18, 86, 7],
-          [50, 19, 72, 8],
-          [50, 19, 79, 8],
-          [50, 20, 80, 9],
-          [56, 20, 82, 15],
-          [70, 20, 91, 15],
-        ],
-        pca = reorder.pca1d(data);
+        [80, 27, 89, 42],
+        [80, 27, 88, 37],
+        [75, 25, 90, 37],
+        [62, 24, 87, 28],
+        [62, 22, 87, 18],
+        [62, 23, 87, 18],
+        [62, 24, 93, 19],
+        [62, 24, 93, 20],
+        [58, 23, 87, 15],
+        [58, 18, 80, 14],
+        [58, 18, 89, 14],
+        [58, 17, 88, 13],
+        [58, 18, 82, 11],
+        [58, 19, 93, 12],
+        [50, 18, 89, 8],
+        [50, 18, 86, 7],
+        [50, 19, 72, 8],
+        [50, 19, 79, 8],
+        [50, 20, 80, 9],
+        [56, 20, 82, 15],
+        [70, 20, 91, 15],
+      ];
+      const pca = reorder.pca1d(data);
 
       assert.inDeltaArrayOrNeg(pca, [0.642, 0.195, 0.197, 0.715], 0.001);
       assert.deepEqual(reorder.sort_order(pca), [1, 2, 0, 3]);