Test conll generation for multi-recipe files

[TheresaSchmidt]

This piece of code needs to be tested:

tagger-parser/data-scripts/json_to_conll.py

Lines 237 to 253 in 2e5256d

	if args.multi_mode:
	# WIP - not yet tested
	lineflag = False
	with open(args.pred_file, encoding="utf-8") as f:
	for line in f:
	lineflag = True
	j = json.loads(line)
	tokens = j["words"]
	tags = j["pos"]
	heads = j["predicted_heads"]
	heads = list(map(str, heads))
	deps = j["predicted_dependencies"]
	parsercolumns2conllu(args.out, tokens, tags, heads, deps, filemode="a")
	if not lineflag:
	raise IOError(
	"Empty file"
	) # we want to detect and subsequently delete empty files from the dataset.