cleanup

nifty4/__init__.py

 from .version import __version__
 
 from . import dobj
-
 from .domains import *
-
 from .domain_tuple import DomainTuple
-
-from .operators import *
-
 from .field import Field
-
+from .operators import *
 from .probing.utils import probe_with_posterior_samples, probe_diagonal, \
     StatCalculator
-
 from .minimization import *
 
 from .sugar import *
@@ -28,5 +22,5 @@ from .multi import *
 
 __all__ = ["__version__", "dobj", "DomainTuple"] + \
           domains.__all__ + operators.__all__ + minimization.__all__ + \
-          ["DomainTuple", "Field", "sqrt", "exp", "log", "tanh"] + \
+          ["Field"] + sugar.__all__ + \
           multi.__all__