Fix klustakwik io

Author: alejoe91

neo/io/klustakwikio.py

@@ -197,7 +197,7 @@ def _load_spike_times(self, fetfilename):
             names.append("spike_time")
 
         # Load into recarray
-        data = np.recfromtxt(fetfilename, names=names, skip_header=1, delimiter=" ")
+        data = np.genfromtxt(fetfilename, names=names, skip_header=1, delimiter=" ")
 
         # get features
         features = np.array([data[f"fet{n}"] for n in range(nbFeatures)])