Error in installing on Debian 7

[jtschichold]

[2017-08-22 12:01:03 CDT] [20533] [DEBUG] redis session connection pool: in use: 0 available: 0 [2017-08-22 12:01:03 CDT] [20533] [INFO] Loading running config in memory [2017-08-22 12:01:03 CDT] [20533] [ERROR] Exception on /login [POST] Traceback (most recent call last): File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/app.py", line 1988, in wsgi_app response = self.full_dispatch_request() File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/app.py", line 1634, in full_dispatch_request self.try_trigger_before_first_request_functions() File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/app.py", line 1660, in try_trigger_before_first_request_functions func() File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 130, in _redlocked result = f(*args, **kwargs) File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 580, in _init_config _load_running_config() File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 175, in _load_running_config return _load_config_from_file(utils.running_config_path()) File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 222, in _load_config_from_file clock = _lock_timeout(REDIS_KEY_CONFIG) File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 97, in _lock_timeout result = _lock(resource) File "/opt/minemeld/engine/core/minemeld/flask/configapi.py", line 84, in _lock nx=True, px=LOCK_TIMEOUT) File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/redis/client.py", line 1072, in set return self.execute_command('SET', *pieces) File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/redis/client.py", line 573, in execute_command return self.parse_response(connection, command_name, **options) File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/redis/client.py", line 585, in parse_response response = connection.read_response() File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/redis/connection.py", line 582, in read_response raise response ResponseError: wrong number of arguments for 'set' command [2017-08-22 12:01:03 CDT] [20533] [DEBUG] redis connection pool: in use: 0 available: 1 127.0.0.1 - - [22/Aug/2017:12:01:03 -0500] "POST /login?_=1503421263 HTTP/1.0" 500 291 "https://minemeld.emrsn.org/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36"