Stop using numpy.object, deprecated in 1.20 and later removed

It was just an alias for the built-in object, so use that instead.

Author: musicinmybrain

klusta/traces/spikedetekt.py

@@ -69,7 +69,7 @@ def _split_spikes(groups, idx=None, **arrs):
 
 
 def _array_list(arrs):
-    out = np.empty((len(arrs),), dtype=np.object)
+    out = np.empty((len(arrs),), dtype=object)
     out[:] = arrs
     return out
 
@@ -385,10 +385,10 @@ def extract_spikes(self, components, traces_f,
         # groups).
         waveforms = _array_list(waveforms)
         assert waveforms.shape == (n_spikes,)
-        assert waveforms.dtype == np.object
+        assert waveforms.dtype == object
 
         masks = _array_list(masks)
-        assert masks.dtype == np.object
+        assert masks.dtype == object
         assert masks.shape == (n_spikes,)
 
         # Reorder the spikes.

klusta/traces/store.py

@@ -97,7 +97,7 @@ def store(self, data=None, **kwargs):
             dtype = data.dtype
             if not data.size:
                 return
-            assert dtype != np.object
+            assert dtype != object
             np.save(path, data)
         # debug("Store {}.".format(path))