Ensure prop is not dividing by 0

tests/pytest/test_feature_creation/test_feat_generation/test_inv_node.py

@@ -55,7 +55,7 @@ def test_inv_node():
         pass
 
     try:
-        feats.append(InvNode(feat_1, 4, 1e1, 1e50))
+        feats.append(InvNode(feat_1, 4, 1e40, 1e50))
         raise InvalidFeatureMade("Inversion outside of user specified bounds")
     except RuntimeError:
         pass