Change BusinessHour.repr

Author: Si Wei How

pandas/tests/tseries/offsets/test_offsets.py

@@ -800,11 +800,11 @@ def test_repr(self):
         assert repr(self.offset6) == '<BusinessHour: BH=20:00-05:00>'
         assert repr(self.offset7) == '<-2 * BusinessHours: BH=21:30-06:30>'
         assert (repr(self.offset8) ==
-                '<BusinessHour: BH=09:00,13:00-12:00,17:00>')
+                '<BusinessHour: BH=09:00-12:00,13:00-17:00>')
         assert (repr(self.offset9) ==
-                '<3 * BusinessHours: BH=09:00,22:00-13:00,03:00>')
+                '<3 * BusinessHours: BH=09:00-13:00,22:00-03:00>')
         assert (repr(self.offset10) ==
-                '<-1 * BusinessHour: BH=13:00,23:00-17:00,02:00>')
+                '<-1 * BusinessHour: BH=13:00-17:00,23:00-02:00>')
 
     def test_with_offset(self):
         expected = Timestamp('2014-07-01 13:00')

pandas/tseries/offsets.py

@@ -862,10 +862,10 @@ def _onOffset(self, dt):
 
     def _repr_attrs(self):
         out = super()._repr_attrs()
-        start = ','.join(st.strftime('%H:%M') for st in self.start)
-        end = ','.join(en.strftime('%H:%M') for en in self.end)
-        attrs = ['{prefix}={start}-{end}'.format(prefix=self._prefix,
-                                                 start=start, end=end)]
+        hours = ','.join('{}-{}'.format(st.strftime('%H:%M'), en.strftime('%H:%M'))
+            for st, en in zip(self.start, self.end))
+        attrs = ['{prefix}={hours}'.format(prefix=self._prefix,
+                                                 hours=hours)]
         out += ': ' + ', '.join(attrs)
         return out