Fix style and add changelog entry for jplspec PR

- Fix E131 hanging-indent in jplspec/__init__.py
- Drop unused EmptyResponseError import from test_jplspec_remote
- Add CHANGES.rst entry for astropy#3547

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: keflavich

CHANGES.rst

@@ -159,6 +159,9 @@ linelists.jplspec
 ^^^^^^^^^^^^^^^^^
 
 - New location for jplspec.  astroquery.jplspec is now deprecated in favor of astroquery.linelists.jplspec [#3455]
+- Added ``use_getmolecule`` option to ``query_lines`` to bypass the JPL query
+  service and retrieve full molecule catalogs via ``get_molecule``, and added a
+  configurable ``ftp_cat_server`` with a Wayback Machine fallback. [#3547]
 
 mpc
 ^^^

astroquery/linelists/jplspec/__init__.py

@@ -18,7 +18,7 @@ class Conf(_config.ConfigNamespace):
     ftp_cat_server = _config.ConfigItem(
         ['https://spec.jpl.nasa.gov/ftp/pub/catalog/',
          'https://web.archive.org/web/20250630185813/https://spec.jpl.nasa.gov/ftp/pub/catalog/'],
-         'JPL FTP Catalog URL'
+        'JPL FTP Catalog URL'
     )
 
     timeout = _config.ConfigItem(

astroquery/linelists/jplspec/tests/test_jplspec_remote.py

@@ -3,7 +3,6 @@
 from astropy.table import Table
 
 from astroquery.linelists.jplspec import JPLSpec
-from astroquery.exceptions import EmptyResponseError
 
 
 @pytest.mark.remote_data