Reorder imports and delete unused imports

nifty5/dobj.py

@@ -17,8 +17,8 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from .compat import *
 
+from .compat import *
 
 try:
     from mpi4py import MPI

nifty5/domain_tuple.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from .compat import *
 from .domains.domain import Domain
 

nifty5/field.py

@@ -17,11 +17,12 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from .compat import *
+
 import numpy as np
-from . import utilities
+
+from . import dobj, utilities
+from .compat import *
 from .domain_tuple import DomainTuple
-from . import dobj
 
 
 class Field(object):

nifty5/logger.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from .compat import *
 
 

nifty5/minimization/conjugate_gradient.py

@@ -17,9 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from .minimizer import Minimizer
 from ..logger import logger
+from .minimizer import Minimizer
 
 
 class ConjugateGradient(Minimizer):

nifty5/minimization/descent_minimizer.py

@@ -17,11 +17,13 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import abc
-from .minimizer import Minimizer
-from .line_search_strong_wolfe import LineSearchStrongWolfe
+
+from ..compat import *
 from ..logger import logger
+from .line_search_strong_wolfe import LineSearchStrongWolfe
+from .minimizer import Minimizer
 
 
 class DescentMinimizer(Minimizer):

nifty5/minimization/energy.py

@@ -17,9 +17,8 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-import numpy as np
-from ..field import Field
 from ..utilities import NiftyMetaBase, memo
 
 

nifty5/minimization/energy_sum.py

@@ -17,8 +17,9 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from ..utilities import memo, my_lincomb_simple, my_lincomb
+from ..utilities import memo, my_lincomb, my_lincomb_simple
 from .energy import Energy
 
 

nifty5/minimization/gradient_norm_controller.py

@@ -17,9 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from .iteration_controller import IterationController
 from ..logger import logger
+from .iteration_controller import IterationController
 
 
 class GradientNormController(IterationController):

nifty5/minimization/iteration_controller.py

@@ -17,8 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import abc
+
+from ..compat import *
 from ..utilities import NiftyMetaBase
 
 

nifty5/minimization/l_bfgs.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..logger import logger
 from .descent_minimizer import DescentMinimizer

nifty5/minimization/line_energy.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 
 

nifty5/minimization/line_search.py

@@ -17,8 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import abc
+
+from ..compat import *
 from ..utilities import NiftyMetaBase
 
 

nifty5/minimization/line_search_strong_wolfe.py

@@ -17,11 +17,13 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
-from .line_search import LineSearch
-from .line_energy import LineEnergy
+
+from ..compat import *
 from ..logger import logger
+from .line_energy import LineEnergy
+from .line_search import LineSearch
 
 
 class LineSearchStrongWolfe(LineSearch):

nifty5/minimization/minimizer.py

@@ -17,8 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import abc
+
+from ..compat import *
 from ..utilities import NiftyMetaBase
 
 

nifty5/minimization/nonlinear_cg.py

@@ -17,9 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from .minimizer import Minimizer
 from .line_search_strong_wolfe import LineSearchStrongWolfe
+from .minimizer import Minimizer
 
 
 class NonlinearCG(Minimizer):

nifty5/minimization/quadratic_energy.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from .energy import Energy
 

nifty5/minimization/relaxed_newton.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from .descent_minimizer import DescentMinimizer
 from .line_search_strong_wolfe import LineSearchStrongWolfe

nifty5/minimization/scipy_minimizer.py

@@ -17,12 +17,13 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
+from .. import dobj
 from ..compat import *
-from .minimizer import Minimizer
 from ..field import Field
-from .. import dobj
 from ..logger import logger
 from .iteration_controller import IterationController
+from .minimizer import Minimizer
 
 
 def _toNdarray(fld):

nifty5/minimization/steepest_descent.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from .descent_minimizer import DescentMinimizer
 

nifty5/minimization/vl_bfgs.py

@@ -17,8 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
+
+from ..compat import *
 from .descent_minimizer import DescentMinimizer
 from .line_search_strong_wolfe import LineSearchStrongWolfe
 

nifty5/models/binary_helpers.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..multi.multi_field import MultiField
 from ..sugar import makeOp

nifty5/models/constant.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from .model import Model
 

nifty5/models/linear_model.py

@@ -16,6 +16,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..operators.selection_operator import SelectionOperator
 from .model import Model

nifty5/models/local_nonlinearity.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..nonlinearities import Exponential, PositiveTanh, Tanh
 from ..sugar import makeOp

nifty5/models/model.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..field import Field
 from ..multi.multi_field import MultiField

nifty5/models/multi_model.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..domain_tuple import DomainTuple
 from ..multi.multi_field import MultiField

nifty5/models/variable.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..operators.scaling_operator import ScalingOperator
 from .model import Model

nifty5/multi/block_diagonal_operator.py

@@ -17,10 +17,9 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-import numpy as np
 from ..operators.endomorphic_operator import EndomorphicOperator
-from .multi_domain import MultiDomain
 from .multi_field import MultiField
 
 

nifty5/multi/multi_domain.py

@@ -17,6 +17,7 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
 from ..domain_tuple import DomainTuple
 from ..utilities import frozendict

nifty5/multi/multi_field.py

@@ -17,11 +17,12 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
+import numpy as np
+
 from ..compat import *
 from ..field import Field
-import numpy as np
 from .multi_domain import MultiDomain
-from ..utilities import frozendict
 
 
 class MultiField(object):

nifty5/nonlinearities.py

@@ -17,8 +17,9 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from .compat import *
-from .sugar import full, exp, tanh
+from .sugar import exp, full, tanh
 
 
 class Linear(object):

nifty5/operators/chain_operator.py

@@ -17,8 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
+
+from ..compat import *
 from .linear_operator import LinearOperator
 
 

nifty5/operators/diagonal_operator.py

@@ -17,13 +17,14 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
-from ..field import Field
+
+from .. import dobj, utilities
+from ..compat import *
 from ..domain_tuple import DomainTuple
+from ..field import Field
 from .endomorphic_operator import EndomorphicOperator
-from .. import utilities
-from .. import dobj
 
 
 class DiagonalOperator(EndomorphicOperator):

nifty5/operators/dof_distributor.py

@@ -17,14 +17,16 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
-from .linear_operator import LinearOperator
-from ..utilities import infer_space
-from ..field import Field
-from ..domain_tuple import DomainTuple
+
 from .. import dobj
+from ..compat import *
+from ..domain_tuple import DomainTuple
 from ..domains.dof_space import DOFSpace
+from ..field import Field
+from ..utilities import infer_space
+from .linear_operator import LinearOperator
 
 
 class DOFDistributor(LinearOperator):

nifty5/operators/domain_distributor.py

@@ -17,11 +17,13 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
-from ..field import Field
+
 from .. import dobj
+from ..compat import *
 from ..domain_tuple import DomainTuple
+from ..field import Field
 from .linear_operator import LinearOperator
 
 

nifty5/operators/endomorphic_operator.py

@@ -17,9 +17,11 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
+import numpy as np
+
 from ..compat import *
 from .linear_operator import LinearOperator
-import numpy as np
 
 
 class EndomorphicOperator(LinearOperator):

nifty5/operators/exp_transform.py

@@ -17,14 +17,16 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
+
+from .. import dobj
+from ..compat import *
 from ..domain_tuple import DomainTuple
 from ..domains.power_space import PowerSpace
 from ..domains.rg_space import RGSpace
 from ..field import Field
 from .linear_operator import LinearOperator
-from .. import dobj
 
 
 class ExpTransform(LinearOperator):

nifty5/operators/fft_operator.py

@@ -17,14 +17,15 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
+
+from .. import dobj, utilities
+from ..compat import *
 from ..domain_tuple import DomainTuple
 from ..domains.rg_space import RGSpace
-from .linear_operator import LinearOperator
-from .. import dobj
-from .. import utilities
 from ..field import Field
+from .linear_operator import LinearOperator
 
 
 class FFTOperator(LinearOperator):

nifty5/operators/fft_smoothing_operator.py

@@ -17,12 +17,13 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from .scaling_operator import ScalingOperator
-from .fft_operator import FFTOperator
+from ..domain_tuple import DomainTuple
 from ..utilities import infer_space
 from .diagonal_operator import DiagonalOperator
-from ..domain_tuple import DomainTuple
+from .fft_operator import FFTOperator
+from .scaling_operator import ScalingOperator
 
 
 def FFTSmoothingOperator(domain, sigma, space=None):

nifty5/operators/geometry_remover.py

@@ -17,9 +17,10 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
 from ..compat import *
-from ..domains.unstructured_domain import UnstructuredDomain
 from ..domain_tuple import DomainTuple
+from ..domains.unstructured_domain import UnstructuredDomain
 from .linear_operator import LinearOperator
 
 

nifty5/operators/harmonic_transform_operator.py

@@ -17,13 +17,14 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
+
+from .. import utilities
 from ..compat import *
 from ..domain_tuple import DomainTuple
 from ..domains.rg_space import RGSpace
-from .linear_operator import LinearOperator
 from .fft_operator import FFTOperator
+from .linear_operator import LinearOperator
 from .sht_operator import SHTOperator
-from .. import utilities
 
 
 class HarmonicTransformOperator(LinearOperator):

nifty5/operators/inversion_enabler.py

@@ -17,14 +17,16 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
+
+from ..compat import *
 from ..logger import logger
 from ..minimization.conjugate_gradient import ConjugateGradient
 from ..minimization.iteration_controller import IterationController
 from ..minimization.quadratic_energy import QuadraticEnergy
-from .endomorphic_operator import EndomorphicOperator
 from ..sugar import full
+from .endomorphic_operator import EndomorphicOperator
 
 
 class InversionEnabler(EndomorphicOperator):

nifty5/operators/laplace_operator.py

@@ -17,14 +17,16 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+
 import numpy as np
-from ..field import Field
+
+from .. import dobj
+from ..compat import *
+from ..domain_tuple import DomainTuple
 from ..domains.power_space import PowerSpace
-from .endomorphic_operator import EndomorphicOperator
+from ..field import Field
 from ..utilities import infer_space
-from ..domain_tuple import DomainTuple
-from .. import dobj
+from .endomorphic_operator import EndomorphicOperator
 
 
 class LaplaceOperator(EndomorphicOperator):

nifty5/operators/linear_operator.py

@@ -17,9 +17,12 @@
 # and financially supported by the Studienstiftung des deutschen Volkes.
 
 from __future__ import absolute_import, division, print_function
-from ..compat import *
+