fixes for Python 2 map
fixes for Python 2 map

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