Update py_json files to be compatible with pip standards

Signed-off-by: Matthew Stidham <stidmatt@gmail.com>

py-json/cv_test_manager.py

@@ -10,11 +10,9 @@ import os
 if 'py-dashboard' not in sys.path:
     sys.path.append(os.path.join(os.path.abspath('..'), 'py-dashboard'))
 
-from LANforge.lfcli_base import LFCliBase
 from realm import Realm
 import json
 from pprint import pprint
-import argparse
 from cv_test_reports import lanforge_reports as lf_rpt
 from InfluxRequest import *
 import os.path