Lambda added to release 2.2 ?

[Fabien Hénon]

When I start my python script, here is what I get on the console from
Linux (Python 2.1) :
a26.py:51: SyntaxWarning: local name 'self' in '__init__' shadows use of
'self' as global in nested scope 'lambda'
  def __init__(self, master):


When I use the lines below :
>    insertmenumaterial.add_command(label="interior", command = lambda :
self.insert_example("interior.txt"))

>     def insert_example(self,nom):
>        chemin="insert"
>       contents=fd.read()
>         self.text.insert(INSERT,contents)
 >        fd.close()


I get the following message :
>>>     Exception in Tkinter callback
>>> Traceback (most recent call last):
>>>   File "/usr/lib/python2.1/lib-tk/Tkinter.py", line 1285, in
__call__
>>>     return apply(self.func, args)
>>>   File "a26.py", line 219, in <lambda>
>>>     insertmenumaterial.add_command(label="interior", command =
lambda : self.insert_example("interior.txt"))
>>> NameError: global name 'self' is not defined

I don't have any problem under W2000 ( Python 2.2)
Is lambda function a new add-on to 2.2 ? I thought it was added ages
ago.


Thanks