catched up with upstream/master changes
@@ -38,7 +38,8 @@ TODO:
from typing import List
from .alias import INFJ, Integer, JacPoint, Point
-from .curve import Curve, CurveGroup, _jac_from_aff
+from .curve import Curve
+from .curvegroup import CurveGroup, _jac_from_aff
from .curves import secp256k1
from .utils import int_from_integer
