fixed dependency

Author: hephaex

vendor/ngc-kaldi/requirements.txt

@@ -2,6 +2,7 @@ absl-py==0.8.0
 aiohttp==3.6.2
 aiozmq==0.9.0
 adanet==0.8.0
+apache-beam==2.24.0
 appdirs==1.4.3
 astor==0.8.1
 astroid==2.3.3
@@ -276,6 +277,7 @@ toolz==0.10.0
 TPOT==0.11.1
 tqdm==4.43.0
 traitlets==4.3.3
+transformers==4.1.1
 trax==1.3.3
 tweepy==3.8.0
 typed-ast==1.4.1