Updates to import statements:

- Import importlib, os, and sys to each python script.
 - Append "lanforge-scripts" root directory to the system path, allowing each script to be called from an antecedent directory. e.g.
if 'lanforge-scripts' not in sys.path:
    sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../../../")))
 - All statements of the form 'from <module> import <class>' replace with:
<module> = importlib.import_module("lanforge-scripts.<directory>.<module>")
<class> = <module>.<class>

py-scripts/lf_ftp.py

@@ -4,26 +4,30 @@
     License: Free to distribute and modify. LANforge systems must be licensed.
 """
 import sys
+import os
+import importlib
 import paramiko
-
-if sys.version_info[0] != 3:
-    print("This script requires Python 3")
-    exit(1)
-if 'py-json' not in sys.path:
-    sys.path.append('../py-json')
-
-from LANforge import LFUtils
-from LANforge.lfcli_base import LFCliBase
-from LANforge.LFUtils import *
-import realm
 import argparse
 import datetime
 from datetime import datetime
 import time
 import os
 import matplotlib.patches as mpatches
-from lf_report import *
-from lf_graph import *
+
+if sys.version_info[0] != 3:
+    print("This script requires Python 3")
+    exit(1)
+
+if 'lanforge-scripts' not in sys.path:
+    sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../../")))
+
+LFUtils = importlib.import_module("lanforge-scripts.py-json.LANforge.LFUtils")
+lfcli_base = importlib.import_module("lanforge-scripts.py-json.LANforge.lfcli_base")
+LFCliBase = lfcli_base.LFCliBase
+realm = importlib.import_module("lanforge-scripts.py-json.realm")
+Realm = realm.Realm
+lf_report = importlib.import_module("lanforge-scripts.py-scripts.lf_report")
+lf_graph = importlib.import_module("lanforge-scripts.py-scripts.lf_graph")
 
 
 class FtpTest(LFCliBase):