DRQN-AttributeError: 'zip' object has no attribute 'append'

[Chengjia Lei]

I run the code and meet a problem like this:

---

Target Set Success
5000 0.65 1
98%|█████████████████████████████████████████▏| 50/51 [00:00<00:00, 665.63it/s]
Traceback (most recent call last):
File "Deep_Recurrent_Q-Network.py", line 235, in
summaryLength,h_size,sess,mainQN,time_per_step)
File "/home/jimmy/desktop/tensorflowcode/DRL/helper.py", line 52, in saveToCenter
images.append(bufferArray[-1,3])
AttributeError: 'zip' object has no attribute 'append'

---

I have no idea to solve it and need a help, my friends.
Thanks a lot.

[paulsimvient]

same issue here. Running new macbook pro

Model Identifier: MacBookPro14,3
Processor Name: Intel Core i7
Processor Speed: 3.1 GHz
Number of Processors: 1
Total Number of Cores: 4

[Thor Tomasarson]

@silentobservers and @paulsimvient I suspect that you are running this with Python3, then the zip() returns an iterator see here: https://docs.python.org/3/library/functions.html#zip to fix this for Python3 you could change line 51 in helper.py to
images = list(zip(bufferArray[:,0]))