fix list comprehension in apply_ignore() for poor-febe check

src/pint_pal/timingconfiguration.py

@@ -785,7 +785,7 @@ def apply_ignore(self,toas,specify_keys=None,warn=False,model=None):
             if self.get_snr_cut() > 25.0 and self.get_toa_type() == 'WB':
                 log.warning('snr-cut should be set to 25; try excising TOAs using other methods.')
         if 'poor-febe' in valid_valued:
-            fs = np.array([(f['f'] if 'f' in f else None) in toas.orig_table['flags']])
+            fs = np.array([(f['f'] if 'f' in f else None) for f in toas.orig_table['flags']])
             for febe in self.get_poor_febes():
                 febeinds = np.where(fs==febe)[0]
                 apply_cut_flag(toas,febeinds,'poorfebe',warn=warn)