yield-inside-async-function / E1700#
Yield inside async function
Used when an `yield` or `yield from` statement is found inside an async function.
async def foo(): def _inner_foo(): yield from [1, 2, 3] async def foo(): yield 42
async def foo(): yield from [1, 2, 3] # [yield-inside-async-function]
The message can't be emitted when using Python < 3.5.
Created by the async checker.