renamed gridder->nft

src/__init__.py

@@ -87,8 +87,8 @@ from .library.light_cone_operator import LightConeOperator
 from .library.wiener_filter_curvature import WienerFilterCurvature
 from .library.adjust_variances import (make_adjust_variances_hamiltonian,
                                        do_adjust_variances)
-from .library.gridder import Gridder
-from .library.gridder import FinuFFT
+from .library.nft import Gridder
+from .library.nft import FinuFFT
 from .library.correlated_fields import CorrelatedFieldMaker
 from .library.correlated_fields_simple import SimpleCorrelatedField