Show the warnings interactively, don't crash in user hands.
Show the warnings interactively, don't crash in user hands.

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