Merge pull request #1329 from zm711/numpy-updates

Update calls to NumPy dtypes being removed in NumPy 2.0

Author: apdavison

neo/core/analogsignal.py

@@ -718,7 +718,7 @@ def concatenate(self, *signals, overwrite=False, padding=False):
         if padding is not False:
             logger.warning('Signals will be padded using {}.'.format(padding))
             if padding is True:
-                padding = np.NaN * units
+                padding = np.nan * units
             if isinstance(padding, pq.Quantity):
                 padding = padding.rescale(units).magnitude
             else:

neo/test/coretest/test_analogsignal.py

@@ -1537,7 +1537,7 @@ def test_concatenate_padding_True(self):
 
         result = signal1.concatenate(signal2, overwrite=False, padding=True)
         assert_array_equal(
-            np.array([0, 1, 2, 3, np.NaN, np.NaN, np.NaN, 4, 5, 6]).reshape((-1, 1)),
+            np.array([0, 1, 2, 3, np.nan, np.nan, np.nan, 4, 5, 6]).reshape((-1, 1)),
             result.magnitude)
 
     def test_concatenate_padding_quantity(self):

neo/test/coretest/test_base.py

@@ -853,7 +853,7 @@ def test_numpy_array_uint64(self):
 
     def test_numpy_array_float(self):
         '''test to make sure float type numpy arrays are accepted'''
-        value = np.array([1, 2, 3, 4, 5], dtype=np.float_)
+        value = np.array([1, 2, 3, 4, 5], dtype=np.float64)
         self.base.annotate(data=value)
         result = {'data': value}
         self.assertDictEqual(result, self.base.annotations)
@@ -1041,7 +1041,7 @@ def test_numpy_scalar_uint64(self):
 
     def test_numpy_scalar_float(self):
         '''test to make sure float type numpy scalars are accepted'''
-        value = np.array(99, dtype=np.float_)
+        value = np.array(99, dtype=np.float64)
         self.base.annotate(data=value)
         result = {'data': value}
         self.assertDictEqual(result, self.base.annotations)

neo/test/coretest/test_spiketrain.py

@@ -580,8 +580,8 @@ def test_defaults(self):
         train2 = _new_spiketrain(SpikeTrain, [3, 4, 5], units='sec', t_stop=10.0)
         assert_neo_object_is_compliant(train1)
         assert_neo_object_is_compliant(train2)
-        self.assertEqual(train1.dtype, np.float_)
-        self.assertEqual(train2.dtype, np.float_)
+        self.assertEqual(train1.dtype, np.float64)
+        self.assertEqual(train2.dtype, np.float64)
         self.assertEqual(train1.sampling_rate, 1.0 * pq.Hz)
         self.assertEqual(train2.sampling_rate, 1.0 * pq.Hz)
         self.assertEqual(train1.waveforms, None)

neo/test/iotest/test_nestio.py

@@ -356,7 +356,7 @@ def test_read_float(self):
                              t_stop=500. * pq.ms,
                              lazy=False, id_column_gdf=0, time_column_gdf=1)
         sts = seg.spiketrains
-        self.assertTrue(all([s.magnitude.dtype == np.float_ for s in sts]))
+        self.assertTrue(all([s.magnitude.dtype == np.float64 for s in sts]))
 
     def test_values(self):
         """