Fix typo in documentation (#13494)

* Fix typo in deepspeed documentation

* Add missing import in deepspeed configuration

* Fix path in translation examples

examples/pytorch/translation/README.md

@@ -42,7 +42,7 @@ and you also will find examples of these below.
 Here is an example of a translation fine-tuning with a MarianMT model:
 
 ```bash
-python examples/pytorch/seq2seq/run_translation.py \
+python examples/pytorch/translation/run_translation.py \
     --model_name_or_path Helsinki-NLP/opus-mt-en-ro \
     --do_train \
     --do_eval \
@@ -62,7 +62,7 @@ MBart and some T5 models require special handling.
 T5 models `t5-small`, `t5-base`, `t5-large`, `t5-3b` and `t5-11b` must use an additional argument: `--source_prefix "translate {source_lang} to {target_lang}"`. For example:
 
 ```bash
-python examples/pytorch/seq2seq/run_translation.py \
+python examples/pytorch/translation/run_translation.py \
     --model_name_or_path t5-small \
     --do_train \
     --do_eval \
@@ -85,7 +85,7 @@ For the aforementioned group of T5 models it's important to remember that if you
 MBart models require a different format for `--source_lang` and `--target_lang` values, e.g. instead of `en` it expects `en_XX`, for `ro` it expects `ro_RO`. The full MBart specification for language codes can be found [here](https://huggingface.co/facebook/mbart-large-cc25). For example:
 
 ```bash
-python examples/pytorch/seq2seq/run_translation.py \
+python examples/pytorch/translation/run_translation.py \
     --model_name_or_path facebook/mbart-large-en-ro  \
     --do_train \
     --do_eval \
@@ -104,7 +104,7 @@ And here is how you would use the translation finetuning on your own files, afte
 values for the arguments `--train_file`, `--validation_file` to match your setup:
 
 ```bash
-python examples/pytorch/seq2seq/run_translation.py \
+python examples/pytorch/translation/run_translation.py \
     --model_name_or_path t5-small \
     --do_train \
     --do_eval \
@@ -133,7 +133,7 @@ Here the languages are Romanian (`ro`) and English (`en`).
 If you want to use a pre-processed dataset that leads to high BLEU scores, but for the `en-de` language pair, you can use `--dataset_name stas/wmt14-en-de-pre-processed`, as following:
 
 ```bash
-python examples/pytorch/seq2seq/run_translation.py \
+python examples/pytorch/translation/run_translation.py \
     --model_name_or_path t5-small \
     --do_train \
     --do_eval \