close tar/zip after extraction

releases file handler explicitly

Author: hexparrot

mineos.py

@@ -448,6 +448,7 @@ def import_server(self, path, filename):
                                'archive contains files with absolute path or ..')
 
         archive_.extractall(self.env['cwd'])
+        archive_.close()
 
         if not os.path.samefile(self.env['cwd'], os.path.join(self.env['cwd'], prefix_)):     
             prefixed_dir = os.path.join(self.env['cwd'], prefix_)