docs: def create_connections(self, connection_map):
          '''Create agent connections from a given connection map.
  
          :param dict connection_map:
              A map of connections to be created. Dictionary where keys are
              agent addresses and values are lists of (addr, attitude)-tuples
              suitable for
              :meth:`~creamas.core.agent.CreativeAgent.add_connections`.
  
          Only connections for agents in this environment are made.
          '''
          agents = self.get_agents(addr=False)
          rets = []
          for a in agents:
              if a.addr in connection_map:
                  r = a.add_connections(connection_map[a.addr])
                  rets.append(r)
          return rets