Add more torch.hub deps

Summary: Pull Request resolved: https://github.com/pytorch/fairseq/pull/801

Differential Revision: D15781975

Pulled By: myleott

fbshipit-source-id: b86276cd3a40138c09494637c43ce52a56c4aced

hubconf.py

@@ -10,6 +10,7 @@ from fairseq.models import MODEL_REGISTRY
 
 dependencies = [
     'regex',
+    'requests',
     'sacremoses',
     'sentencepiece',
     'subword_nmt',