def exclude_from(self,dist):
dist.exclude(**self.extras)<EOL>if self.remove:<EOL><INDENT>for item in self.remove:<EOL><INDENT>dist.exclude_package(item)<EOL><DEDENT><DEDENT>
Ensure feature is excluded from distribution

        You may override this in a subclass to perform additional operations on
        the distribution.  This method will be called at most once per
        feature, and only after all included features have been asked to
        include themselves.