ERROR:root:Unhandled exception: No module named gevent
Traceback (most recent call last):
  File "zeronet.py", line 18, in main
    import main
  File "/home/pi/Downloads/ZeroNet/src/main.py", line 9, in <module>
    import gevent
ImportError: No module named gevent
Traceback (most recent call last):
  File "zeronet.py", line 91, in <module>
    main()
  File "zeronet.py", line 64, in main
    traceback.print_exc(file=open(config.log_dir + "/error.log", "a"))
AttributeError: 'Config' object has no attribute 'log_dir'