$ cat csgo_english.txt.gz | gunzip | vdf2json > /dev/null
Traceback (most recent call last):
 File "/home/mark/.local/bin/vdf2json", line 8, in <module>
 sys.exit(main())
 File "/home/mark/.local/lib/python3.8/site-packages/vdf2json/cli.py", line 39, in main
 data = vdf.loads(args.infile.read(), mapper=OrderedDict)
 File "/usr/lib/python3.8/codecs.py", line 500, in read
 data = self.bytebuffer + newdata
TypeError: can't concat str to bytes

$ cat csgo_english.txt.gz | gunzip | python3 vdf2json/vdf2json/cli.py > /dev/null
// all ok, no error