Deprecate FIFOBuffer class

Author: mdboom

lib/matplotlib/cbook.py

@@ -189,7 +189,7 @@ def deprecate(func, message=message, name=name, alternative=alternative,
             name = func.__name__
 
         message = _generate_deprecation_message(
-            since, message, name, alternative, pending, 'function')
+            since, message, name, alternative, pending, obj_type)
 
         @functools.wraps(func)
         def deprecated_func(*args, **kwargs):

lib/matplotlib/mlab.py

@@ -1203,6 +1203,7 @@ class FIFOBuffer:
 
       mlab seems like the wrong place for this class.
     """
+    @cbook.deprecated('1.3', name='FIFOBuffer', obj_type='class')
     def __init__(self, nmax):
         """
         Buffer up to *nmax* points.