Split to_affine map to factor_set computation, fix mypy.

1 files changed, 2 insertions, 0 deletions

diff --git a/pyecsca/ec/coordinates.py b/pyecsca/ec/coordinates.py
index 25c4d09..9b63c75 100644
--- a/pyecsca/ec/coordinates.py
+++ b/pyecsca/ec/coordinates.py
@@ -37,6 +37,8 @@ class CoordinateModel:
     """Map to affine coordinates from system coordinates."""
     tosystem: List[Module]
     """Map from coordinate system to affine coordinates."""
+    homogweights: MutableMapping[str, int]
+    """Weights that homogenize the coordinates."""
     parameters: List[str]
     """Coordinate system parameters."""
     assumptions: List[Module]