invalid character in header

traceback error on prod cdb3 http_status_code 500 Nov 3, 2021 @ 14:28:33.000 domain_name procedure.prozorro.sale http_request /api/documents/public/0229187941034a2493b4f817e494acad

	registry-gitlab.prozorro.sale/prozorro-sale/document-service:v3-15-0
	kubernetes.container.name	prozorro-prod-document-storage-api
	kubernetes.labels.app_kubernetes_io/environment	prod
	kubernetes.labels.app_kubernetes_io/instance	prozorro-prod
	kubernetes.labels.app_kubernetes_io/name	document-storage-api
	kubernetes.labels.app_kubernetes_io/part-of	document-storage

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/aiohttp/client_reqrep.py", line 890, in start
    message, payload = await self._protocol.read()  # type: ignore
  File "/usr/local/lib/python3.9/site-packages/aiohttp/streams.py", line 604, in read
    await self._waiter
  File "/usr/local/lib/python3.9/site-packages/aiohttp/client_proto.py", line 213, in data_received
    messages, upgraded, tail = self._parser.feed_data(data)
  File "aiohttp/_http_parser.pyx", line 546, in aiohttp._http_parser.HttpParser.feed_data
aiohttp.http_exceptions.BadHttpMessage: 400, message='invalid character in header'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_protocol.py", line 422, in _handle_request
    resp = await self._request_handler(request)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_app.py", line 499, in _handle
    resp = await handler(request)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_middlewares.py", line 118, in impl
    return await handler(request)
  File "/document_service/prozorro_sale/document_service/utils.py", line 24, in excepts_errors_middleware
    return await handler(request)
  File "/usr/local/lib/python3.9/site-packages/prozorro_sale/auth/__init__.py", line 114, in context_middleware
    return await handler(request)
  File "/usr/local/lib/python3.9/site-packages/prozorro_sale/tools/middlewares.py", line 9, in request_id_middleware
    response = await handler(request)
  File "/document_service/prozorro_sale/document_service/api.py", line 64, in get_document
    return await request.app.storage.get(doc_id, scope, request)
  File "/document_service/prozorro_sale/document_service/storages/swift_storage.py", line 197, in get
    response = await session.get(object_url, ssl=False, headers=headers)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/client.py", line 544, in _request
    await resp.start(conn)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/client_reqrep.py", line 892, in start
    raise ClientResponseError(
aiohttp.client_exceptions.ClientResponseError: 400, message='invalid character in header', url=URL('https://swift-storage/v1/AUTH_<storage-id>/prod-storage/public_<obj-id>')```