Answer on biostar question 314928

gff_subset.py

from BCBio import GFF

in_file = "test.gff"
out_file = "test.parse.gff3"
limit_info = {
        'gff_id': ["1"], # chromosome 1
        'gff_type': ["ncRNA"] # get non coding RNA
    }

with open(out_file, "w") as out_handle, open(in_file) as in_handle:
    GFF.write(GFF.parse(in_handle, limit_info=limit_info), out_handle)

https://www.biostars.org/p/314928