Unclosed file / ResourceWarning

[anders-kiaer]

 WARNING: 	[...]/python3.6/site-packages/fmu/ensemble/realization.py:570: ResourceWarning:

unclosed file <_io.TextIOWrapper name='[...]/realization-7/iter-1/jobs.json' mode='r' encoding='UTF-8'>

from this line

fmu-ensemble/src/fmu/ensemble/realization.py

Line 572 in 7a4930b

jobsinfo = json.load(open(jsonfilename))

[berland]

These will probably also give similar warnings:

✔ ~/projects/fmu-ensemble [master|…14⚑ 4] 
10:52 $ grep -r "load(" --include "*.py" | grep -v eggs
tests/test_observations.py:    obs2r = Observations(yaml.full_load(obs2.to_yaml()))
tests/test_realization.py:def test_status_load(tmpdir):
tests/test_batch.py:    ymlconfig = yaml.safe_load(yamlstr)
src/fmu/ensemble/realization.py:                jobsinfo = json.load(open(jsonfilename))
src/fmu/ensemble/realization.py:                            metadict = yaml.full_load(open(os.path.join(dirname, cand)))
src/fmu/ensemble/ensemble.py:                manifest_fromyaml = yaml.safe_load(open(manifest))
src/fmu/ensemble/virtualensemble.py:                manifest_fromyaml = yaml.safe_load(open(manifest))
src/fmu/ensemble/observations.py:                self.observations = yaml.full_load(yamlfile)

[anders-kiaer]

I can extend #163 to also fix those cases.