$product->value() reassingation line 149 makes php crashing

7
--- a/sites/all/modules/contrib/commerce_physical/commerce_physical.module	2016-10-22 23:22:25.000000000 +0200
+++ b/sites/all/modules/contrib/commerce_physical/commerce_physical.module	2017-05-17 17:21:58.003343589 +0200
@@ -141,7 +141,8 @@
 
   // If the line item references a valid product...
   if (!empty($line_item_wrapper->commerce_product)) {
-    $product = $line_item_wrapper->commerce_product->value();
+    $p = $line_item_wrapper->commerce_product
+    $product = $p->value();
 
     if (!empty($product)) {
       // If the product has a valid dimensions field...