more minor fixes

Author: Trolldemorted

src/towns/population/levels.md

@@ -50,7 +50,7 @@ class Town:
         LOGGER.debug(f"{level} target: {target} stock: {self.citizens[level]}")
         if target < self.citizens[level]:
             # Current stock exceeds target
-            demoted = 2 * self.citizens[level] / target + 1
+            demoted = 2 * self.citizens[level] // target + 1
             if demoted > self.citizens[level]:
                 demoted = self.citizens[level] - 1
             self.citizens[2] += demoted

src/towns/population/levels.py

@@ -45,6 +45,7 @@ def __init__(
     def update_population_levels(self):
         self.update_population_level(0)
         self.update_population_level(1)
+        # TODO poor emigration
 
     def update_population_level(self, level: int):
         target = (