Fix import, typo, and redundant parentheses

[Pricstas]

1. Added import "fmt" to avoid missing dependencies.

2. Fixed a typo in a comment:

   • // take into consideration the possility that application reduced
   • // take into consideration the possibility that application reduced

3. Removed unnecessary parentheses in if condition:

   • if (pt != nil) {
   • if pt != nil {