Fixes shared community detection not being shared

examples/shed.py

@@ -29,6 +29,7 @@ def run_simulation(simulation):
         'tick_rate': 5 * 60,  # 5 mins
         'epoch': epoch,
         'k': 3,
+        'context': {}
     }
     nodes = {
         node_id: simulation.node_type(**node_options)