bug #158 Check order has a shipping address in the PayPalAddressProce…

…ssor (jdeveloper)

This PR was merged into the 1.0-dev branch.

Discussion
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Fixes #157 

Commits
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c4fef3f Check order has a shipping address in the PayPalAddressProcessor
053adf0 Use strict comparsion

src/Processor/PayPalAddressProcessor.php

@@ -24,9 +24,13 @@ public function __construct(ObjectManager $objectManager)
      */
     public function process(array $address, OrderInterface $order): void
     {
-        /** @var AddressInterface $orderAddress */
+        /** @var ?AddressInterface $orderAddress */
         $orderAddress = $order->getShippingAddress();
 
+        if (null === $orderAddress) {
+            return;
+        }
+
         Assert::keyExists($address, 'admin_area_2');
         Assert::keyExists($address, 'address_line_1');
         Assert::keyExists($address, 'postal_code');