python message

[jorge.conrado at cptec.inpe.br]

Hi,


I'm a new user of Pyhton and I run my code lenetcdf1.py and I plot the 
figure but I had this message:


/usr/lib64/python2.7/site-packages/matplotlib/collections.py:590: 
FutureWarning: elementwise comparison failed; returning scalar instead, 
but in the future will perform elementwise comparison
   if self._edgecolors == str('face'):

I do not understand this message. Atached it my code.


What can I do to solve this message.

Thanks in advance.


Conrado