DOC: remove dateutil

jklymak · jklymak · commit da509ae13915 · 2020-04-20T14:31:40.000-07:00
diff --git a/examples/ticks_and_spines/date_precision_and_epochs.py b/examples/ticks_and_spines/date_precision_and_epochs.py
@@ -18,7 +18,6 @@
 
 """
 import datetime
-import dateutil
 import numpy as np
 
 import matplotlib
@@ -49,7 +48,7 @@ def _reset_epoch_for_tutorial():
 mdates.set_epoch(old_epoch)  # old epoch (pre MPL 3.3)
 
 date1 = datetime.datetime(2000, 1, 1, 0, 10, 0, 12,
-                          tzinfo=dateutil.tz.gettz('UTC'))
+                          tzinfo=datetime.timezone.utc)
 mdate1 = mdates.date2num(date1)
 print('Before Roundtrip: ', date1, 'Matplotlib date:', mdate1)
 date2 = mdates.num2date(mdate1)
@@ -60,7 +59,7 @@ def _reset_epoch_for_tutorial():
 # dates closer to the old epoch:
 
 date1 = datetime.datetime(10, 1, 1, 0, 10, 0, 12,
-                          tzinfo=dateutil.tz.gettz('UTC'))
+                          tzinfo=datetime.timezone.utc)
 mdate1 = mdates.date2num(date1)
 print('Before Roundtrip: ', date1, 'Matplotlib date:', mdate1)
 date2 = mdates.num2date(mdate1)
@@ -85,7 +84,7 @@ def _reset_epoch_for_tutorial():
 mdates.set_epoch(new_epoch)
 
 date1 = datetime.datetime(2020, 1, 1, 0, 10, 0, 12,
-                          tzinfo=dateutil.tz.gettz('UTC'))
+                          tzinfo=datetime.timezone.utc)
 mdate1 = mdates.date2num(date1)
 print('Before Roundtrip: ', date1, 'Matplotlib date:', mdate1)
 date2 = mdates.num2date(mdate1)
