E225: missing whitespace around operator -- should not apply to type hints with default values (but does)

[AndydeCleyre]

from dataclasses import dataclass


@dataclass
class CoolData:
    cool_float: float=12

That last line gets flagged with E225, while I would expect it not get flagged at all, since it is common practice to omit whitespace around the = operator when it indicates a default parameter value.

ST3 3200
Anaconda 2.1.29
Arch Linux