Merge branch 'cosmetics' into 'NIFTy_6'

cosmetics

See merge request !382

nifty6/library/correlated_fields.py

@@ -281,7 +281,6 @@ class _Amplitude(Operator):
         expander = ContractionOperator(dom, spaces=space).adjoint
         ps_expander = ContractionOperator(twolog.target, spaces=space).adjoint
 
-
         # Prepare constant fields
         foo = np.zeros(shp)
         foo[0] = foo[1] = np.sqrt(_log_vol(target[space]))
@@ -296,7 +295,8 @@ class _Amplitude(Operator):
         shift = DiagonalOperator(from_global_data(dom[space], foo), dom, space)
 
         vslope = DiagonalOperator(
-                    from_global_data(target[space], _relative_log_k_lengths(target[space])),
+            from_global_data(target[space],
+                             _relative_log_k_lengths(target[space])),
             target, space)
 
         foo, bar = [np.zeros(target[space].shape) for _ in range(2)]
@@ -431,7 +431,8 @@ class CorrelatedFieldMaker:
         n_amplitudes = len(self._a)
         if self._total_N > 0:
             hspace = makeDomain([UnstructuredDomain(self._total_N)] +
-                    [dd.target[-1].harmonic_partner for dd in self._a])
+                                [dd.target[-1].harmonic_partner
+                                    for dd in self._a])
             spaces = list(1 + np.arange(n_amplitudes))
         else:
             hspace = makeDomain(
@@ -486,7 +487,6 @@ class CorrelatedFieldMaker:
         lst = [('Offset amplitude', self.amplitude_total_offset),
                ('Total fluctuation amplitude', self.total_fluctuation)]
 
-
         namps = len(self._a)
         if namps > 1:
             for ii in range(namps):