Fixes tiny code style things

examples/random_node.py

@@ -2,6 +2,7 @@ from random import Random
 
 from pydtn import Network, Node, random_trace, random_traffic
 
+
 class RandomNode(Node):
     def __init__(self, seed=None, **options):
         super().__init__(**options)
@@ -14,9 +15,10 @@ class RandomNode(Node):
             return {target: 'random'}
         return {}
 
+
 def main():
     nodes = 50
-    seed  = 42
+    seed = 42
     traffic_speed = 1
 
     node_options = {
@@ -38,5 +40,6 @@ def main():
 
     print(network.stats_summary)
 
+
 if __name__ == '__main__':
     exit(main())

pydtn/__init__.py

@@ -116,7 +116,6 @@ class Network:
     @property
     def stats(self):
         """Return detailed statistics for the simulation."""
-
         packets = [packet.stats for packet in self.packets]
         nodes = [node.stats for node in self.nodes.values()]
 
@@ -156,7 +155,6 @@ class Network:
         return stats
 
 
-
 class Packet:
     """An item to route through the network."""
 
@@ -409,6 +407,7 @@ class Node:
 
     @property
     def stats(self):
+        """Return node statistics."""
         return dict(self._stats)
 
     def __repr__(self):