python: Replace DictMixin with Mapping / MutableMapping
authorAndreas Sandberg <andreas.sandberg@arm.com>
Fri, 25 Jan 2019 12:00:20 +0000 (12:00 +0000)
committerAndreas Sandberg <andreas.sandberg@arm.com>
Tue, 12 Feb 2019 17:06:35 +0000 (17:06 +0000)
commit6e08be1ec41342e0710f5335b79cae7986822862
tree1e9ce711b0fb63d7daa7d3234d346d4041f5d758
parentbc42d2fa8bc7fc2bd610011993ac168e8f5f41d3
python: Replace DictMixin with Mapping / MutableMapping

Python 3 has removed support for DictMixin, so switch to Mapping /
MutableMapping in collections which provides the same functionality.

Change-Id: I61fbe366d2c9fc6e01b470f82f49cc02b99dec32
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/15984
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
src/python/m5/debug.py