Nicolás Venturo bbe804a14b Deleted unnecessary import. (#1437) ...

* Deleted unnecessary import.

* Added back SafeMath.

* Removed another unnecessary import.

2018-10-18 18:43:44 -03:00

..

ERC20

Deleted unnecessary import. (#1437)

2018-10-18 18:43:44 -03:00

ERC721

Renamed internal ERC721 check function. (#1445)

2018-10-18 16:56:58 -03:00