In py3.4 notice method readfp will removed in the future,so use
method readfile to replace it.This warning is only in py3 and
above.Py2,configparse do not have.Actually in py3,This function
is finally pointed to the readfile function
warnings.warn(
"This method will be removed in future versions. "
"Use 'parser.read_file()' instead.",
DeprecationWarning, stacklevel=2
)
self.read_file(fp, source=filename)
Change-Id: I22a2dca71008469a8c8b7afcc0934f3b4adcdae4