Added docstring to rrulewrapper class

sveneschlbeck · sveneschlbeck · commit 3fc3c27f0767 · 2021-12-17T12:23:09.000+01:00
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
@@ -980,6 +980,11 @@ def __call__(self, x, pos=None):
 
 
 class rrulewrapper:
+    """
+    A simple wrapper around a ``dateutil.rrule`` allowing almost
+    arbitrary date tick specifications.
+    """
+    
     def __init__(self, freq, tzinfo=None, **kwargs):
         kwargs['freq'] = freq
         self._base_tzinfo = tzinfo
