message: Fix majority calculation in `health_wacher` sample
diff: @@ -52,7 +52,7 @@ def get_network_health(network, get_primary_fn, client_node_timeout_s=3, verbose
  nodes = network.nodes
  # Number of nodes required for network to commit new transactions
  - majority = (len(nodes) + 1) // 2
  + majority = (len(nodes) // 2) + 1
  primaries = {}
  acks = {}
  