fix pycodestyle issue
@@ -454,6 +454,7 @@ def parse_votable(content):
tables = votable.parse(six.BytesIO(content), pedantic=False)
return tables
+
def _open_shelve(shelffn, withclosing=False):
"""
Opens a shelf file. If `withclosing` is True, it will be opened with closing,
