def _set_optimal_area(self, data):
lats = [station["<STR_LIT>"] for station in data.values()]<EOL>longs = [station["<STR_LIT>"] for station in data.values()]<EOL>self.gps.update(<EOL>{<EOL>"<STR_LIT>": max(lats),<EOL>"<STR_LIT>": max(longs),<EOL>"<STR_LIT>": min(lats),<EOL>"<STR_LIT>": min(longs),<EOL>}<EOL>)<EOL>
Reduce the zone to reduce the size of fetched data on refresh