Run php-cs-fixer

src/Phpml/Association/Apriori.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare (strict_types = 1);
 
 namespace Phpml\Association;
 

src/Phpml/Association/Associator.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare (strict_types = 1);
 
 namespace Phpml\Association;
 

src/Phpml/Math/Set.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare (strict_types = 1);
 
 namespace Phpml\Math;
 

tests/Phpml/Association/AprioriTest.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare (strict_types = 1);
 
 namespace tests\Classification;
 
@@ -25,7 +25,7 @@ class AprioriTest extends \PHPUnit_Framework_TestCase
         ['E', 'D', 'N', 'E+N', 'EN'],
         ['E', 'R', 'E+R'],
         ['E'],
-        ['N',],
+        ['N'],
     ];
 
     private $sampleBasket = [