https://github.com/aio-libs/aiodocker/blob/a9782aec794b7bfb2a752703ba800bf8ed3d567c/aiodocker/containers.py#L504-L505 `__hasitem__` is not really a thing. Use `__contains__` instead. ([Reference](https://docs.python.org/reference/datamodel.html#object.__contains__))
aiodocker/aiodocker/containers.py
Lines 504 to 505 in a9782ae
__hasitem__is not really a thing. Use__contains__instead. (Reference)