Indexing yaml files with dates in it fails

[jotelha]

+ flask base_uri index s3://test-bucket
Traceback (most recent call last):
  File "/usr/local/bin/flask", line 8, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.9/site-packages/flask/cli.py", line 1063, in main
    cli.main()
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/click/decorators.py", line 26, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/flask/cli.py", line 357, in decorator
    return __ctx.invoke(f, *args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/click/core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "/src/dtool-lookup-server/dtool_lookup_server/cli.py", line 210, in index_base_uri
    r = register_dataset(dataset_info)
  File "/src/dtool-lookup-server/dtool_lookup_server/utils.py", line 581, in register_dataset
    ex.register_dataset(dataset_info.copy())
  File "/src/dtool-lookup-server-direct-mongo-plugin/dtool_lookup_server_direct_mongo_plugin/__init__.py", line 222, in register_dataset
    return _register_dataset_descriptive_metadata(self.collection, dataset_info)
  File "/src/dtool-lookup-server-direct-mongo-plugin/dtool_lookup_server_direct_mongo_plugin/utils.py", line 177, in _register_dataset_descriptive_metadata
    collection.insert_one(dataset_info)
  File "/usr/local/lib/python3.9/site-packages/pymongo/collection.py", line 628, in insert_one
    self._insert_one(
  File "/usr/local/lib/python3.9/site-packages/pymongo/collection.py", line 569, in _insert_one
    self.__database.client._retryable_write(acknowledged, _insert_command, session)
  File "/usr/local/lib/python3.9/site-packages/pymongo/mongo_client.py", line 1476, in _retryable_write
    return self._retry_with_session(retryable, func, s, None)
  File "/usr/local/lib/python3.9/site-packages/pymongo/mongo_client.py", line 1349, in _retry_with_session
    return self._retry_internal(retryable, func, session, bulk)
  File "/usr/local/lib/python3.9/site-packages/pymongo/_csot.py", line 105, in csot_wrapper
    return func(self, *args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/pymongo/mongo_client.py", line 1390, in _retry_internal
    return func(session, sock_info, retryable)
  File "/usr/local/lib/python3.9/site-packages/pymongo/collection.py", line 557, in _insert_command
    result = sock_info.command(
  File "/usr/local/lib/python3.9/site-packages/pymongo/pool.py", line 795, in command
    self._raise_connection_failure(error)
  File "/usr/local/lib/python3.9/site-packages/pymongo/pool.py", line 767, in command
    return command(
  File "/usr/local/lib/python3.9/site-packages/pymongo/network.py", line 127, in command
    request_id, msg, size, max_doc_size = message._op_msg(
  File "/usr/local/lib/python3.9/site-packages/pymongo/message.py", line 692, in _op_msg
    return _op_msg_uncompressed(flags, command, identifier, docs, opts)

Need to suppress date parsing.