pythons round() behaves unexpected (for me at least)

tools/math.py

@@ -0,0 +1,7 @@
+from decimal import Decimal, ROUND_HALF_UP
+from .types import Numeric
+
+
+def round_half_up(number: Numeric) -> int:
+    """ pythons round() rounds .5 to the *even* number; 0.5 == 0 """
+    return int(Decimal(number).to_integral(ROUND_HALF_UP))