Code fixes

Author: ldusan84

lib/internal/Magento/Framework/App/Feed.php

@@ -36,6 +36,6 @@ public function getFormattedContentAs(
             $this->data,
             FeedFactoryInterface::FORMAT_RSS
         );
-        return $this->feed->saveXml();
+        return $feed->saveXml();
     }
 }

lib/internal/Magento/Framework/App/FeedFactory.php

@@ -14,11 +14,6 @@
  */
 class FeedFactory implements FeedFactoryInterface
 {
-    /**
-     * @var FeedProcessorInterface
-     */
-    private $feedProcessor;
-
     /**
      * @var LoggerInterface
      */
@@ -53,14 +48,14 @@ public function create(
     ) {
         if (!isset($this->formats[$format])) {
             throw new \Magento\Framework\Exception\InputException(
-                __('The format is not supported'),
+                new \Magento\Framework\Phrase('The format is not supported'),
                 $e
             );
         }
 
         if (!is_subclass_of($this->formats[$format], \Magento\Framework\App\FeedInterface::class)) {
             throw new \Magento\Framework\Exception\InputException(
-                __('Wrong format handler type'),
+                new \Magento\Framework\Phrase('Wrong format handler type'),
                 $e
             );
         }
@@ -73,7 +68,7 @@ public function create(
         } catch (\Exception $e) {
             $this->logger->error($e->getMessage());
             throw new \Magento\Framework\Exception\RuntimeException(
-                __('There has been an error with import'),
+                new \Magento\Framework\Phrase('There has been an error with import'),
                 $e
             );
         }