Merge ~alexandru-sirbu/cloud-init:bigstep-quickfix into cloud-init:master

[Alex Sirbu]

Fix to Bigstep Datasource, in order to fix error when running on Python 3

[Alex Sirbu (alexandru-sirbu)]

Fixed issue in Bigstep Datasource, to make it work with Python 3

[Server Team CI bot (server-team-bot)]

PASSED: Continuous integration, rev:c81902ae41da836b791bf02eac5d1d5c903a859f
https://jenkins.ubuntu.com/server/job/cloud-init-ci/149/
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    SUCCESS: https://jenkins.ubuntu.com/server/job/cloud-init-ci/nodes=metal-amd64/149
    SUCCESS: https://jenkins.ubuntu.com/server/job/cloud-init-ci/nodes=metal-arm64/149
    SUCCESS: https://jenkins.ubuntu.com/server/job/cloud-init-ci/nodes=metal-ppc64el/149
    SUCCESS: https://jenkins.ubuntu.com/server/job/cloud-init-ci/nodes=metal-s390x/149
    SUCCESS: https://jenkins.ubuntu.com/server/job/cloud-init-ci/nodes=vm-i386/149

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review: Approve (continuous-integration)

diff --git a/cloudinit/sources/DataSourceBigstep.py b/cloudinit/sources/DataSourceBigstep.py
index 5ffdcb2..d7fcd45 100644
--- a/cloudinit/sources/DataSourceBigstep.py
+++ b/cloudinit/sources/DataSourceBigstep.py
@@ -27,7 +27,7 @@ class DataSourceBigstep(sources.DataSource):
         if url is None:
             return False
         response = url_helper.readurl(url)
-        decoded = json.loads(response.contents)
+        decoded = json.loads(response.contents.decode())
         self.metadata = decoded["metadata"]
         self.vendordata_raw = decoded["vendordata_raw"]
         self.userdata_raw = decoded["userdata_raw"]