mapping: Make the iterators conform to the proper interface.

An iterator must implement __iter__() as an identity operation.  Make it so.

diff --git a/mapping.pyx b/mapping.pyx
index aa5de85..ab637c3 100644 (file)
--- a/mapping.pyx
+++ b/mapping.pyx
@@ -172,6 +172,8 @@ cdef class MapIterBase:
   def __new__(me):
     me.i = m._iter()
     me._init()
+  def __iter__(me):
+    return me
   def __next__(me):
     cdef void *e
     e = me.i._next()