style

src/Support/Shell.php

@@ -94,10 +94,8 @@ final class Shell
 
         $config = app()->make('config');
 
-        $loader = ClassAliasAutoloader::register(
+        return ClassAliasAutoloader::register(
             $shell, $path, $config->get('tinker.alias', []), $config->get('tinker.dont_alias', [])
         );
-
-        return $loader;
     }
 }

src/Support/Str.php

@@ -125,6 +125,6 @@ final class Str
     {
         $target = preg_replace('/[^a-zA-Z0-9]+/', '-', $target);
 
-        return strtolower(trim($target, '-'));
+        return strtolower(trim((string) $target, '-'));
     }
 }