Simulation error

[chrisgame1002]

hello,sir
I use cuda10 ,tensorflow 1.14.0
and when i execute python main.py
I got error

------------------------------- Simulation begins -------------------------------
------------- Error -------------
<class 'UnboundLocalError'> DeepREINFORCE.py 172
local variable 'depth' referenced before assignment
Hit r and then backspace to start from this point

and then I hit r then backspace
------------------------------------- Drone -------------------------------------
Connected!
Client Ver:1 (Min Req: 1), Server Ver:1 (Min Req: 1)

------------- Error -------------
<class 'UnboundLocalError'> DeepREINFORCE.py 172
local variable 'depth' referenced before assignment
Hit r and then backspace to start from this point

please help me sir

[blackkiring]

hello,sir.I also meet the same problem.Have you solved it? I need help.