Fixed parsing filter strings in bug-fix python releases
This PR updates the gwpy.table.filters.parse_column_filter()
function to account for the new implicit NEWLINE
token in latest bug-fix releases of python (cf python/cpython#7891).
This PR updates the gwpy.table.filters.parse_column_filter()
function to account for the new implicit NEWLINE
token in latest bug-fix releases of python (cf python/cpython#7891).