diff --git a/nifty5/library/gridder.py b/nifty5/library/gridder.py
index c9d33ed9283bf18bd7b573b819e91a3594f387e3..4160b69f85546315aa3f8dbff7eab1e23502e160 100644
--- a/nifty5/library/gridder.py
+++ b/nifty5/library/gridder.py
@@ -15,12 +15,13 @@
 #
 # NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik.
 
+import numpy as np
+
 from ..domain_tuple import DomainTuple
 from ..domains.rg_space import RGSpace
 from ..domains.unstructured_domain import UnstructuredDomain
 from ..operators.linear_operator import LinearOperator
 from ..sugar import from_global_data, makeDomain
-import numpy as np
 
 
 class GridderMaker(object):
diff --git a/test/test_operators/test_nft.py b/test/test_operators/test_nft.py
index 86006792dc72f703dec6ddbc1c96b2be91c60c5c..78506bb437f6ecf2a9417b2d8ca6120033a703e0 100644
--- a/test/test_operators/test_nft.py
+++ b/test/test_operators/test_nft.py
@@ -17,7 +17,7 @@
 
 import numpy as np
 import pytest
-from numpy.testing import assert_allclose, assert_
+from numpy.testing import assert_
 
 import nifty5 as ift