Sort in the same order as Python.
@@ -66,7 +66,7 @@ def run(input_file: KGTKFiles,
str(header_write_fd) + \
" ; } ; printf \"%s\\n\" \"$header\" ; " + \
" IFS= read -u " + str(sortkey_read_fd) + " -r options ; " + \
- " sort -t '\t' $options"
+ " LC_ALL=C sort -t '\t' $options"
if reverse:
cmd += " --reverse"
