mareeinfo: Fix crash due to strict dates

All dates are at least missing the year, but it is implied they are
current year, current day, etc.
Also tested under Python 3.
12 jobs for master in 2 minutes and 45 seconds (queued for 15 seconds)
Status Job ID Name Coverage
  Build
failed #24506
build:2.7

00:00:52

failed #24507
build:3

00:01:59

 
  Test
skipped #24509
allowed to fail
lint:2.7
skipped #24513
allowed to fail
lint:3
skipped #24508
pyflakes:2.7
skipped #24512
pyflakes:3
skipped #24510
unittests:2.7
skipped #24514
unittests:3
skipped #24511
allowed to fail
unittests-modules:2.7
skipped #24515
allowed to fail
unittests-modules:3
 
  Deploy
skipped #24516
doc:2.7
skipped #24517
doc:3
 
Name Stage Failure
failed
build:2.7 Build
Reinitialized existing Git repository in /builds/weboob/weboob/.git/
From https://git.weboob.org/weboob/weboob
490bcb050..259f8eb69 master -> origin/master
Checking out 259f8eb6 as master...

Skipping Git submodules setup
$ pip3 install -r .ci/requirements.txt
/bin/bash: line 82: pip3: command not found
ERROR: Job failed: exit code 1
failed
build:3 Build

Installing weboob applications into ‘/root/bin’.
Traceback (most recent call last):
File "./tools/local_install.py", line 30, in <module>
subprocess.check_call([sys.executable, os.path.join(dest, 'weboob-config'), 'update'])
File "/usr/local/lib/python3.8/subprocess.py", line 364, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/usr/local/bin/python3', '/root/bin/weboob-config', 'update']' returned non-zero exit status 130.
ERROR: Job failed: exit code 1