PyYAML related tests failure

[vishal-biyani]

Last few PR builds and builds in master are failing around the same test case which uses PyYAML.

response : a: 1
b:
  c: 3
  d: 4
2019/03/16:16:03:23 response a: 1 b: {c: 3, d: 4} not received

The test scripts which have the failing test case are:

• test_obj_create_in_diff_ns.sh
• test_package_command.sh
• test_buildermgr.sh

The only plausible reason seems a new version of PyYAML (https://pypi.org/project/PyYAML/#history) and that breaks something similar to what is mentioned in docs here:

Dictionaries without nested collections are not dumped correctly
Why does

import yaml
document = """
  a: 1
  b:
    c: 3
    d: 4
"""
print yaml.dump(yaml.load(document))
give

a: 1
b: {c: 3, d: 4}
(see #18, #24)?

[life1347]

PyYAML ship 5.1 5days ago and changed the default setting of yaml.load from

default_flow_style=None -> default_flow_style=False

Here is the related PR: yaml/pyyaml#256
I get this fixed in PR #1086

[life1347]

Fixed. Close.