[server] Do not use logilab.common.date.strptime in sqlutils
This function is aliased to datetime.datetime.strptime() and exists only
for compatibility with Python <= 2.5 which we no longer support.
[dataimport/test] Ignore flake8 error E741 in test_pgstore.py
This error is about "l" being an ambiguous variable name. Here, it's
arguably acceptable.