Modify README and fix PredictLangWorker

1 job for feature-257 in 47 seconds (queued for 1 second)
Status Job ID Name Coverage
  Check Style
failed #3329
pep8

00:00:47

 
Name Stage Failure
failed
pep8 Check Style
./src/predict_lang.py:4:1: E302 expected 2 blank lines, found 1
./src/predict_lang.py:5:1: W293 blank line contains whitespace
./src/predict_lang.py:9:80: E501 line too long (85 > 79 characters)
./src/predict_lang.py:11:41: E231 missing whitespace after ','
./src/predict_lang.py:15:25: E225 missing whitespace around operator
ERROR: InvocationError: '/builds/emoteam/multiemo-results-presentation/predict-lang/.tox/pep8/bin/flake8'
___________________________________ summary ____________________________________
ERROR: pep8: commands failed
ERROR: Job failed: exit code 1