fix version

ChangeLog

@@ -43,7 +43,7 @@ In order to dive into those subtleties I suggest running the following code and
 playing around with the dtypes.
 
 ```
-import nifty6 as ift
+import nifty7 as ift
 import numpy as np
 
 dom = ift.UnstructuredDomain(5)
@@ -71,7 +71,7 @@ The code now uses `numpy`'s new `SeedSequence` and `Generator` classes for the
 production of random numbers (introduced in numpy 1.17. This greatly simplifies
 the generation of reproducible random numbers in the presence of MPI parallelism
 and leads to cleaner code overall. Please see the documentation of
-`nifty6.random` for details.
+`nifty7.random` for details.
 
 Interface Change for from_random and OuterProduct
 =================================================

src/library/correlated_fields.py

@@ -365,11 +365,11 @@ class CorrelatedFieldMaker:
     around this offset needs to be parametrized.
 
     The resulting correlated field model operator has a
-    :class:`~nifty6.multi_domain.MultiDomain` as its domain and
+    :class:`~nifty7.multi_domain.MultiDomain` as its domain and
     expects its input values to be univariately gaussian.
 
     The target of the constructed operator will be a
-    :class:`~nifty6.domain_tuple.DomainTuple`
+    :class:`~nifty7.domain_tuple.DomainTuple`
     containing the `target_subdomains` of the added fluctuations in the
     order of the `add_fluctuations` calls.
 
@@ -475,8 +475,8 @@ class CorrelatedFieldMaker:
 
         Parameters
         ----------
-        target_subdomain : :class:`~nifty6.domain.Domain`, \
-                           :class:`~nifty6.domain_tuple.DomainTuple`
+        target_subdomain : :class:`~nifty7.domain.Domain`, \
+                           :class:`~nifty7.domain_tuple.DomainTuple`
             Target subdomain on which the correlation structure defined
             in this call should hold.
         fluctuations_{mean,stddev} : float
@@ -501,8 +501,8 @@ class CorrelatedFieldMaker:
             field model and the second one is used for the third field model.
             *If not given*, use the same power spectrum model for all
             constructed field models.
-        harmonic_partner : :class:`~nifty6.domain.Domain`, \
-                           :class:`~nifty6.domain_tuple.DomainTuple`
+        harmonic_partner : :class:`~nifty7.domain.Domain`, \
+                           :class:`~nifty7.domain_tuple.DomainTuple`
             In which harmonic space to define the power spectrum
         """
         if harmonic_partner is None:

test/test_operators/test_conjugation_operator.py

@@ -18,7 +18,7 @@
 import numpy as np
 from numpy.testing import assert_allclose
 
-import nifty6 as ift
+import nifty7 as ift
 
 from ..common import setup_function, teardown_function
 

test/test_operators/test_contraction_operator.py

@@ -18,7 +18,7 @@
 import numpy as np
 from numpy.testing import assert_allclose
 
-import nifty6 as ift
+import nifty7 as ift
 
 from ..common import setup_function, teardown_function
 

test/test_operators/test_vdot_operator.py

@@ -18,7 +18,7 @@
 import numpy as np
 from numpy.testing import assert_allclose
 
-import nifty6 as ift
+import nifty7 as ift
 
 from ..common import setup_function, teardown_function