Fixed #77 - Unexpected type conversion in buckets

CHANGELOG.md

@@ -0,0 +1,7 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+	* Fixed #77 - Unexpected type conversion in buckets

kademlia/routing.py

@@ -23,7 +23,7 @@ class KBucket:
         return list(self.nodes.values())
 
     def split(self):
-        midpoint = (self.range[0] + self.range[1]) / 2
+        midpoint = (self.range[0] + self.range[1]) // 2
         one = KBucket(self.range[0], midpoint, self.ksize)
         two = KBucket(midpoint + 1, self.range[1], self.ksize)
         nodes = chain(self.nodes.values(), self.replacement_nodes.values())

kademlia/tests/test_routing.py

@@ -13,6 +13,10 @@ class TestKBucket:
         assert len(two) == 1
         assert two.range == (6, 10)
 
+    def test_split_no_overlap(self):  # pylint: disable=no-self-use
+        left, right = KBucket(0, 2 ** 160, 20).split()
+        assert (right.range[0] - left.range[1]) == 1
+
     def test_add_node(self, mknode):  # pylint: disable=no-self-use
         # when full, return false
         bucket = KBucket(0, 10, 2)