Protect on_pick_up against unsafe usage
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@ -3134,9 +3134,9 @@ local function check_item_pickup(self)
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for k,v in pairs(self.pick_up) do
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for k,v in pairs(self.pick_up) do
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if not player_near(p) and self.on_pick_up and l.itemstring:find(v) then
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if not player_near(p) and self.on_pick_up and l.itemstring:find(v) then
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local r = self.on_pick_up(self,l)
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local r = self.on_pick_up(self,l)
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if r and r:get_count() > 0 then
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if r and r.is_empty and not r:is_empty() then
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l.itemstring = r:to_string()
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l.itemstring = r:to_string()
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else
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elseif r and r.is_empty and r:is_empty() then
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o:remove()
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o:remove()
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end
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end
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end
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end
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