--- a/wp/wp-admin/network/theme-install.php	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-admin/network/theme-install.php	Tue Dec 15 13:49:49 2020 +0100
@@ -7,11 +7,11 @@
  * @since 3.1.0
  */
 
-if ( isset( $_GET['tab'] ) && ( 'theme-information' == $_GET['tab'] ) ) {
+if ( isset( $_GET['tab'] ) && ( 'theme-information' === $_GET['tab'] ) ) {
 	define( 'IFRAME_REQUEST', true );
 }
 
 /** Load WordPress Administration Bootstrap */
-require_once( dirname( __FILE__ ) . '/admin.php' );
+require_once __DIR__ . '/admin.php';
 
-require( ABSPATH . 'wp-admin/theme-install.php' );
+require ABSPATH . 'wp-admin/theme-install.php';