issue_comments: 1563308919

After much fiddling this seems to work: ```python import asyncio, types

def is_async_callable(obj): if not callable(obj): raise ValueError("Object is not callable")

if isinstance(obj, types.FunctionType):
    return asyncio.iscoroutinefunction(obj)

if hasattr(obj, '__call__'):
    return asyncio.iscoroutinefunction(obj.__call__)

raise ValueError("Not a function and has no __call__ attribute")

Tested like so:python class AsyncClass: async def call(self): pass

class NotAsyncClass: def call(self): pass

class ClassNoCall: pass

async def async_func(): pass

def non_async_func(): pass

for thing in (AsyncClass(), NotAsyncClass(), ClassNoCall(), async_func, non_async_func): try: print(thing, is_async_callable(thing)) except Exception as ex: print(thing, ex) <main.AsyncClass object at 0x106c32150> True <main.NotAsyncClass object at 0x106c32390> False <main.ClassNoCall object at 0x106c32750> Object is not callable <function async_func at 0x1073d5120> True <function non_async_func at 0x1073d5080> False ```