Fixed problem opening text file with strange enconding

odmf/webpage/filemanager/fileactions.py

@@ -83,7 +83,7 @@ def check(self, path: Path):
         from ...dataimport import ImportDescription
         try:
             descr = ImportDescription.from_file(path.absolute)
-            with path.to_pythonpath().open(encoding=descr.encoding or 'utf-8') as f:
+            with path.to_pythonpath().open('rb') as f:
                 f.read(100)
         except IOError:
             return False