Fix constructor

Command/ImportPage.php

@@ -20,6 +20,7 @@
 
 namespace MSP\CmsImportExport\Command;
 
+use Magento\Framework\ObjectManagerInterface;
 use MSP\CmsImportExport\Api\ContentInterface;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
@@ -29,11 +30,19 @@
 class ImportPage extends Command
 {
     protected $pageInterface;
+    /**
+     * @var ObjectManagerInterface
+     */
+    private $objectManager;
 
+    /**
+     * ImportPage constructor.
+     * @param ObjectManagerInterface $objectManager
+     */
     public function __construct(
-        ContentInterface $contentInterface
+        ObjectManagerInterface $objectManager
     ) {
-        $this->contentInterface = $contentInterface;
+        $this->objectManager = $objectManager;
         parent::__construct();
     }
 
@@ -46,10 +55,18 @@ protected function configure()
         parent::configure();
     }
 
+    /**
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @return int|null|void
+     * @throws \Exception
+     */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        $contentInterface = $this->objectManager->get(ContentInterface::class);
+
         $zipFile = $input->getArgument('zipfile');
-        if ($this->contentInterface->importFromZipFile($zipFile, false) == 0) {
+        if ($contentInterface->importFromZipFile($zipFile, false) == 0) {
             throw new \Exception(__('Archive is empty'));
         }