Cleanup in logs.py

openquake/commonlib/logs.py

@@ -217,12 +217,9 @@ def __init__(self, job_ini, calc_id, log_level='info', log_file=None,
             if os.path.exists(path):  # sanity check on the calculation ID
                 raise RuntimeError('There is a pre-existing file %s' % path)
             self.usedb = True
-        elif calc_id == -1:
-            # only works in single-user situations
-            self.calc_id = get_last_calc_id() + 1
-            self.usedb = False
         else:
             # assume the calc_id was alreay created in the db
+            assert calc_id > 0, calc_id
             self.calc_id = calc_id
             self.usedb = True