after rc.15, validate not work well until trigger keypress the second time

[lerit]

Versions:

• VueJs: 2.4.4
• Vee-Validate:2.0.0-rc.15

Description:

i get model from server ,and validate it.
all the validate value are in the model property.
i know if i define these validate value in model,it will work fine.but i have large number property,some times it may be more than 50+.
it work fine before rc.15,but now it fail to validate immediately.
it not validate after trigger input,until trigger keypress the second time.

Steps To Reproduce:

now:https://jsfiddle.net/ko9k4buw/6/
the before version:https://jsfiddle.net/ko9k4buw/4/

[logaretm]

Models should always be present on your fields, I know they might be more than 50 but its always preferred to have them initialized, still If it worked on previous versions It should work on newer ones I will investigate and report back.