[Python] `pyarrow.fs.copy_files` doesn't work if filenames contain special characters

docker run -p 9444:9000 scireum/s3-ninja:latest

export AWS_ACCESS_KEY_ID="AKIAIOSFODNN7EXAMPLE"
export AWS_SECRET_ACCESS_KEY="wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"

import os
import tempfile

import pyarrow.fs

source = tempfile.mkdtemp()
file_path = os.path.join(source, "spam=ham")
open(file_path, "w").close()

filesystem, path = pyarrow.fs.FileSystem.from_uri(
"s3://bucket?scheme=http&endpoint_override=localhost:9444"
)
pyarrow.fs.copy_files(source, path, destination_filesystem=filesystem)

OSError: When initiating multiple part upload for key 'spam=ham' in bucket 'bucket': AWS Error [code 22]: The computed request signature does not match the one provided. Check login credentials. (Expected: e70ab9efb620f744abd43d13e8e6846c585a41da543bfb5da67d2fe1ccfd1aaa, Found: 648456e3441dad5a014b2981c71b6e69ccac9732bdcdbe2d363d95105d914340)