Fix a minor issue in the async demon

agent/async_agent.py

@@ -91,8 +91,8 @@ class AsyncAgent:
             extra = None
         args = [(i, config, learning_network, extra) for i in range(config.num_workers)]
         args.append((config, task, learning_network, extra))
-        procs = [mp.Process(target=evaluate, args=args[-1])]
-        procs.extend([mp.Process(target=train, args=args[i]) for i in range(config.num_workers)])
+        procs = [mp.Process(target=train, args=args[i]) for i in range(config.num_workers)]
+        procs.append(mp.Process(target=evaluate, args=args[-1]))
         for p in procs: p.start()
         while True:
             time.sleep(1)

main.py

@@ -320,11 +320,11 @@ if __name__ == '__main__':
 
     # dqn_cart_pole()
     # async_cart_pole()
-    # a3c_cart_pole()
+    a3c_cart_pole()
     # a3c_continuous()
     # p3o_continuous()
     # d3pg_continuous()
-    ddpg_continuous()
+    # ddpg_continuous()
 
     # dqn_fruit()
     # hrdqn_fruit()