pep8-ified isCorpus() in utils.py.
pep8-ified isCorpus() in utils.py.

manasRK/gensim,robotcator/gensim,davechallis/gensim,quole/gensim,summanlp/gensim,jaksmid/gensim,dsquareindia/gensim,gojomo/gensim,isohyt/gensim,olavurmortensen/gensim,markroxor/gensim,Kreiswolke/gensim,manasRK/gensim,macks22/gensim,ELind77/gensim,robotcator/gensim,isohyt/gensim,akutuzov/gensim,ziky90/gensim,RaRe-Technologies/gensim,summanlp/gensim,akutuzov/gensim,manasRK/gensim,isohyt/gensim,gojomo/gensim,laic/gensim,pombredanne/gensim,RaRe-Technologies/gensim,akutuzov/gensim,macks22/gensim,macks22/gensim,jaksmid/gensim,summanlp/gensim,loisaidasam/gensim,zachmayer/gensim,Kreiswolke/gensim,piskvorky/gensim,mattilyra/gensim,ELind77/gensim,quole/gensim,markroxor/gensim,tzoiker/gensim,dsquareindia/gensim,piskvorky/gensim,piskvorky/gensim,pombredanne/gensim,ziky90/gensim,Kreiswolke/gensim,tzoiker/gensim,loisaidasam/gensim,markroxor/gensim,mattilyra/gensim,laic/gensim,davechallis/gensim,zachmayer/gensim,laic/gensim,davechallis/gensim,mattilyra/gensim,ELind77/gensim,jaksmid/gensim,tzoiker/gensim,loisaidasam/gensim,RaRe-Technologies/gensim,dsquareindia/gensim,quole/gensim,gojomo/gensim,ziky90/gensim,pombredanne/gensim,RaRe-Technologies/gensim,bhargavvader/gensim,zachmayer/gensim,olavurmortensen/gensim,gojomo/gensim,olavurmortensen/gensim,bhargavvader/gensim,robotcator/gensim,bhargavvader/gensim