cursor = self.conn.cursor()
If you try to route from a map of France updated in May with a map of Germany updated in April, HH-Routing may not be compatible across the border. You would need to update all relevant maps to the same version.
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South Korea has generally restricted the export of 1/5000 scale map data over national security concerns, as it's still technically at war with its neighbor North Korea. Google hasn't been able to provide mapping directions or business details since it arrived in the nation, though it has applied twice in 2007 and 2016.