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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def autoload(self):
 """ Loads the eapi.conf file This method will use the module variable CONFIG_SEARCH_PATH to attempt to locate a valid eapi.conf file if a filename is not already configured. This method will load the first eapi.conf file it finds and then return. The CONFIG_SEARCH_PATH can be overridden using an environment variable by setting EAPI_CONF. """

        path = list(CONFIG_SEARCH_PATH)
        if 'EAPI_CONF' in os.environ:
            path = os.environ['EAPI_CONF']
        elif self.filename:
            path = self.filename

        path = make_iterable(path)

        for filename in path:
            filename = os.path.expanduser(filename)
            if os.path.exists(filename):
                self.filename = filename
                return self.read(filename)

        self._add_default_connection()