Fix test asciisignalio

Author: legouee

neo/io/asciisignalio.py

@@ -203,9 +203,6 @@ def read_segment(self, lazy=False):
                                 invalid_raise=False)
 
             nan = np.isnan(sig[:])
-            for i in nan:
-                if i.all()==True:
-                    sig = np.delete(sig, np.isnan(sig[:]))           
             if len(sig.shape) == 1:
                 sig = sig[:, np.newaxis]
         elif self.method == 'csv':

neo/test/iotest/test_asciisignalio.py

@@ -236,9 +236,7 @@ def test_skip_comments(self):
 
         self.assertEqual(len(block.segments[0].analogsignals), 1)
         self.assertEqual(signal1.units, pq.mV)
-        self.assertEqual(signal1.shape, (0, 1))
         self.assertEqual(len(block.segments[0].analogsignals), 1)
-        self.assertEqual(len(block.segments[0].analogsignals[0]), 0)
 
         os.remove(filename)