Use int instead of numpy.int (#1504)

* fix numpy 1.20 np.int deprecation * add author and changelog
markovmodel · Jul 20, 2021 · d6eba9d · d6eba9d
1 parent 366ce03
commit d6eba9d
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diff --git a/AUTHORS b/AUTHORS
@@ -25,3 +25,4 @@ Stephan Doerr
 Simon Olsson
 Brooke Husic
 Tim Hempel
+Sander Roet
diff --git a/doc/source/CHANGELOG.rst b/doc/source/CHANGELOG.rst
@@ -14,7 +14,8 @@ Changelog
 - serialization: fixed bug in function which checked for h5 serialization options.
 - :code:`n_jobs` is handled consistently, allows only for :code:`None` or positive integers and when
   determined from hardware, falls back to logical number of cpus. :pr:`1488`
-
+- Use :code:`int` instead of :code:`numpy.int` to solve :code:`numpy` 1.20
+  DeprecationWarning :pr:`1504`
 
 2.5.7 (9-24-2019)
 -----------------

diff --git a/pyemma/coordinates/data/featurization/featurizer.py b/pyemma/coordinates/data/featurization/featurizer.py
@@ -237,7 +237,7 @@ def _check_indices(self, pair_inds, pair_n=2):
         """ensure pairs are valid (shapes, all atom indices available?, etc.)
         """
 
-        pair_inds = np.array(pair_inds).astype(dtype=np.int, casting='safe')
+        pair_inds = np.array(pair_inds).astype(dtype=int, casting='safe')
 
         if pair_inds.ndim != 2:
             raise ValueError("pair indices has to be a matrix.")