File "/usr/local/lib/python3.12/dist-packages/geodatacrawler/schemas/iso19139/main.j2", line 84, in top-level template code
<gco:CharacterString>urn:ogc:def:crs:EPSG:{{ rs.get('crs','') | e }}</gco:CharacterString>
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/jinja2/utils.py", line 83, in from_obj
if hasattr(obj, "jinja_pass_arg"):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'None' has no attribute 'get'