Monkey pathc FB ads SDK to allow async_report

async_report_patch.py

# Monkeypatch AdAccount to have async report support
import facebookads
import time

class ReportStatsAsyncJob(facebookads.objects.AbstractCrudObject):
    class Field(object):
        id = "id"
        async_status = "async_status"
        async_percent_completion = "async_percent_completion"

    @classmethod
    def get_endpoint(cls):
        return "reportstats"

    def is_completed(self):
        self.remote_read(fields=["async_status","async_percent_completion"])
        return (self["async_status"] == "Job Completed") & (self["async_percent_completion"] == 100)
    
    def poll_is_completed(self):
         while(not self.is_completed()):
                time.sleep(0.2)
         return True

            
class MonkeyPatchAdAccount(facebookads.objects.AdAccount):
    def get_async_report_stats(self, params=None):
        job = ReportStatsAsyncJob(
            parent_id=self.get_id(),
            api=self.get_api_assured()
        )
        job.remote_create(params=params)
        if job.poll_is_completed():
            return self.get_report_stats(params={"report_run_id":job.get_id()})

facebookads.objects.AdAccount = MonkeyPatchAdAccount

did you consider doing a PR on the FB repo?