Correcting pep8 errors
Correcting pep8 errors

skidzo/sympy,rahuldan/sympy,chaffra/sympy,sampadsaha5/sympy,ChristinaZografou/sympy,aktech/sympy,jerli/sympy,Curious72/sympy,souravsingh/sympy,skidzo/sympy,yashsharan/sympy,madan96/sympy,kaushik94/sympy,mafiya69/sympy,sampadsaha5/sympy,hargup/sympy,ChristinaZografou/sympy,jaimahajan1997/sympy,madan96/sympy,jerli/sympy,hargup/sympy,drufat/sympy,aktech/sympy,postvakje/sympy,lindsayad/sympy,rahuldan/sympy,yashsharan/sympy,jaimahajan1997/sympy,ChristinaZografou/sympy,chaffra/sympy,kaushik94/sympy,mafiya69/sympy,souravsingh/sympy,mafiya69/sympy,lindsayad/sympy,madan96/sympy,drufat/sympy,jerli/sympy,lindsayad/sympy,postvakje/sympy,postvakje/sympy,sampadsaha5/sympy,Curious72/sympy,souravsingh/sympy,yashsharan/sympy,kaushik94/sympy,drufat/sympy,hargup/sympy,skidzo/sympy,Titan-C/sympy,jaimahajan1997/sympy,rahuldan/sympy,Titan-C/sympy,chaffra/sympy,aktech/sympy,Curious72/sympy,Titan-C/sympy