minor fixes
minor fixes

sampadsaha5/sympy,yashsharan/sympy,madan96/sympy,madan96/sympy,skidzo/sympy,chaffra/sympy,drufat/sympy,madan96/sympy,kaushik94/sympy,postvakje/sympy,chaffra/sympy,kaushik94/sympy,souravsingh/sympy,aktech/sympy,jaimahajan1997/sympy,sampadsaha5/sympy,chaffra/sympy,souravsingh/sympy,jaimahajan1997/sympy,rahuldan/sympy,drufat/sympy,aktech/sympy,souravsingh/sympy,postvakje/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,kaushik94/sympy,rahuldan/sympy,yashsharan/sympy,skidzo/sympy,skidzo/sympy,rahuldan/sympy,yashsharan/sympy,postvakje/sympy,drufat/sympy,aktech/sympy