fix: duration float division raises ValueError

Author: sralloza

pendulum/duration.py

@@ -23,6 +23,10 @@ def _divide_and_round(a, b):
     # Based on the reference implementation for divmod_near
     # in Objects/longobject.c.
     q, r = divmod(a, b)
+
+    if isinstance(q, float) and q == int(q):
+        q = int(q)
+
     # round up if either r / b > 0.5, or r / b == 0.5 and q is odd.
     # The expression r / b > 0.5 is equivalent to 2 * r > b if b is
     # positive, 2 * r < b if b negative.

tests/duration/test_arithmetic.py

@@ -38,12 +38,24 @@ def test_divide():
     assert isinstance(mul, pendulum.Duration)
     assert_duration(mul, 0, 0, 0, 1, 0, 0, 17, 761111)
 
+    it = pendulum.duration(days=2, seconds=35, microseconds=522222)
+    mul = it / 1.1
+
+    assert isinstance(mul, pendulum.Duration)
+    assert_duration(mul, 0, 0, 0, 1, 19, 38, 43, 202020)
+
     it = pendulum.duration(years=2, months=4, days=2, seconds=35, microseconds=522222)
     mul = it / 2
 
     assert isinstance(mul, pendulum.Duration)
     assert_duration(mul, 1, 2, 0, 1, 0, 0, 17, 761111)
 
+    it = pendulum.duration(years=2, months=4, days=2, seconds=35, microseconds=522222)
+    mul = it / 2.0
+
+    assert isinstance(mul, pendulum.Duration)
+    assert_duration(mul, 1, 2, 0, 1, 0, 0, 17, 761111)
+
 
 def test_floor_divide():
     it = pendulum.duration(days=2, seconds=34, microseconds=522222)