Replace all relative imports

core/tests/engine_test.py

@@ -10,9 +10,9 @@ from hscommon.jobprogress import job
 from hscommon.util import first
 from hscommon.testutil import eq_, log_calls
 
-from .base import NamedObject
-from .. import engine
-from ..engine import (
+from core.tests.base import NamedObject
+from core import engine
+from core.engine import (
     get_match,
     getwords,
     Group,