Based on this manual.
python seq2seq/translate.py \
--from_vocab_size=50000 \
--to_vocab_size=50000 \
--steps_per_checkpoint=100 \
--data_dir="/home/olive/dev/t/telegram_chat_bot/tmp_hell/" \
--train_dir="/home/olive/dev/t/telegram_chat_bot/tmp_hell/" \
--from_train_data="/home/olive/dev/t/telegram_chat_bot/tmp_hell/train.a" \
--to_train_data="/home/olive/dev/t/telegram_chat_bot/tmp_hell/train.b" \
--from_dev_data="/home/olive/dev/t/telegram_chat_bot/tmp_hell/train.a" \
--to_dev_data="/home/olive/dev/t/telegram_chat_bot/tmp_hell/train.b"
python seq2seq/translate.py \
--from_vocab_size=50000 --to_vocab_size=50000 \
--data_dir="/home/olive/dev/t/telegram_chat_bot/tmp_hell" \
--train_dir="/home/olive/dev/t/telegram_chat_bot/tmp_hell" \
--decode