He's responsible for the upkeep of the church - and says the bats started to become a nuisance about 15 years ago.
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
But some question whether this expensive technology is worth it.
if not self.file_exists:
if r.status_code in (429, 503):