Apply fixes from StyleCI

src/Form.php

@@ -1285,7 +1285,6 @@ class Form implements Renderable
             return $value;
         }
 
-
         return $this;
     }
 

src/Show.php

@@ -173,7 +173,7 @@ class Show implements Renderable
     public function model(Fluent $model = null)
     {
         if ($model === null) {
-            if (!$this->model) {
+            if (! $this->model) {
                 $this->setupModel();
             }