and remove a few of the global imports

pymf/__init__.py

@@ -8,16 +8,14 @@ except ImportError:
 
 from .mf import (
     construct_density_matrix,
-    construct_density_matrix_kgrid,
     meanfield,
-    fermi_on_grid,
 )
 from .solvers import solver
 from .model import Model
 from .observables import expectation_value
 from .tb.tb import add_tb, scale_tb
-from .tb.transforms import kham_to_tb, tb_to_khamvector, ifftn_to_tb
-from .tb.utils import generate_guess, generate_vectors, calculate_fermi_energy
+from .tb.transforms import kham_to_tb, tb_to_khamvector
+from .tb.utils import generate_guess, calculate_fermi_energy
 
 
 __all__ = [
@@ -27,15 +25,11 @@ __all__ = [
     "add_tb",
     "scale_tb",
     "generate_guess",
-    "generate_vectors",
     "calculate_fermi_energy",
     "construct_density_matrix",
-    "construct_density_matrix_kgrid",
     "meanfield",
-    "fermi_on_grid",
     "kham_to_tb",
     "tb_to_khamvector",
-    "ifftn_to_tb",
     "__version__",
     "__version_tuple__",
 ]