How to suppress displaying the parent exception (the cause) for subsequent exceptions

Question

I\'m aware of raise ... from None and have read How can I more easily suppress previous exceptions when I raise my own exception in response?.

However,

Answer 1

You can try suppressing the context yourself:

try:
    value = cache_dict[key]
except KeyError:
    try:
        value = some_api.get_the_value_via_web_service_call(key)
    except Exception as e:
        e.__context__ = None
        raise

    cache_dict[key] = value