diff --git a/py-scripts/create_l4.py b/py-scripts/create_l4.py
index 12662b49..0eb72f61 100755
--- a/py-scripts/create_l4.py
+++ b/py-scripts/create_l4.py
@@ -13,7 +13,6 @@ if sys.version_info[0] != 3:
     print("This script requires Python 3")
     exit(1)
 
- 
 sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../")))
 
 lfcli_base = importlib.import_module("py-json.LANforge.lfcli_base")
@@ -27,10 +26,10 @@ TestGroupProfile = realm.TestGroupProfile
 class CreateL4(Realm):
     def __init__(self,
                  ssid, security, password, sta_list, name_prefix, upstream, radio,
-                 host="localhost", port=8080, mode = 0, ap=None,
+                 host="localhost", port=8080, mode=0, ap=None,
                  side_a_min_rate=56, side_a_max_rate=0,
                  side_b_min_rate=56, side_b_max_rate=0,
-                 number_template="00000",  use_ht160=False,
+                 number_template="00000", use_ht160=False,
                  _debug_on=False,
                  _exit_on_error=False,
                  _exit_on_fail=False):
@@ -43,8 +42,8 @@ class CreateL4(Realm):
         self.security = security
         self.password = password
         self.radio = radio
-        self.mode= mode
-        self.ap=ap
+        self.mode = mode
+        self.ap = ap
         self.number_template = number_template
         self.debug = _debug_on
         self.name_prefix = name_prefix
@@ -61,9 +60,8 @@ class CreateL4(Realm):
             self.station_profile.mode = 9
         self.station_profile.mode = mode
         if self.ap is not None:
-            self.station_profile.set_command_param("add_sta", "ap",self.ap)
-        #self.station_list= LFUtils.portNameSeries(prefix_="sta", start_id_=0, end_id_=2, padding_number_=10000, radio='wiphy0') #Make radio a user defined variable from terminal.
-
+            self.station_profile.set_command_param("add_sta", "ap", self.ap)
+        # self.station_list= LFUtils.portNameSeries(prefix_="sta", start_id_=0, end_id_=2, padding_number_=10000, radio='wiphy0') #Make radio a user defined variable from terminal.
 
         self.cx_profile.host = self.host
         self.cx_profile.port = self.port
@@ -77,8 +75,8 @@ class CreateL4(Realm):
         self.cx_profile.cleanup()
         self.station_profile.cleanup()
         LFUtils.wait_until_ports_disappear(base_url=self.lfclient_url,
-                                            port_list=self.station_profile.station_names,
-                                            debug=self.debug)
+                                           port_list=self.station_profile.station_names,
+                                           debug=self.debug)
 
     def build(self):
         # Build stations
@@ -91,7 +89,9 @@ class CreateL4(Realm):
         self.station_profile.create(radio=self.radio, sta_names_=self.sta_list, debug=self.debug)
         self._pass("PASS: Station build finished")
 
-        self.cx_profile.create(ports=self.station_profile.station_names, sleep_time=.5, debug_=self.debug, suppress_related_commands_=True)
+        self.cx_profile.create(ports=self.station_profile.station_names, sleep_time=.5, debug_=self.debug,
+                               suppress_related_commands_=True)
+
 
 def main():
     parser = LFCliBase.create_basic_argparse(
@@ -134,46 +134,47 @@ python3 ./layer4.py
     --debug
             ''')
 
-    required_args=None
+    required_args = None
     for group in parser._action_groups:
         if group.title == "required arguments":
-            required_args=group
-            break;
+            required_args = group
+            break
     if required_args is not None:
         required_args.add_argument('--a_min', help='--a_min bps rate minimum for side_a', default=256000)
         required_args.add_argument('--b_min', help='--b_min bps rate minimum for side_b', default=256000)
 
-    optional_args=None
+    optional_args = None
     for group in parser._action_groups:
         if group.title == "optional arguments":
-            optional_args=group
-            break;
+            optional_args = group
+            break
     if optional_args is not None:
-        optional_args.add_argument('--mode',help='Used to force mode of stations', default=0)
-        optional_args.add_argument('--ap',help='Used to force a connection to a particular AP')
+        optional_args.add_argument('--mode', help='Used to force mode of stations', default=0)
+        optional_args.add_argument('--ap', help='Used to force a connection to a particular AP')
     args = parser.parse_args()
 
     num_sta = 2
     if (args.num_stations is not None) and (int(args.num_stations) > 0):
         num_sta = int(args.num_stations)
 
-    station_list = LFUtils.portNameSeries(prefix_="sta", start_id_=0, end_id_=num_sta-1, padding_number_=10000, radio=args.radio)
+    station_list = LFUtils.portNameSeries(prefix_="sta", start_id_=0, end_id_=num_sta - 1, padding_number_=10000,
+                                          radio=args.radio)
     ip_var_test = CreateL4(host=args.mgr,
-                                   port=args.mgr_port,
-                                   number_template="0000",
-                                   sta_list=station_list,
-                                   name_prefix="VT",
-                                   upstream=args.upstream_port,
-                                   ssid=args.ssid,
-                                   password=args.passwd,
-                                   radio=args.radio,
-                                   security=args.security,
-                                   use_ht160=False,
-                                   side_a_min_rate=args.a_min,
-                                   side_b_min_rate=args.b_min,
-                                   mode=args.mode,
-                                   ap=args.ap,
-                                   _debug_on=args.debug)
+                           port=args.mgr_port,
+                           number_template="0000",
+                           sta_list=station_list,
+                           name_prefix="VT",
+                           upstream=args.upstream_port,
+                           ssid=args.ssid,
+                           password=args.passwd,
+                           radio=args.radio,
+                           security=args.security,
+                           use_ht160=False,
+                           side_a_min_rate=args.a_min,
+                           side_b_min_rate=args.b_min,
+                           mode=args.mode,
+                           ap=args.ap,
+                           _debug_on=args.debug)
 
     ip_var_test.cleanup()
     ip_var_test.build()