diff --git a/bin/plug_ins/Stop/cp_stop_check b/bin/plug_ins/Stop/cp_stop_check
index 8eb8e05..994e2d9 100755
--- a/bin/plug_ins/Stop/cp_stop_check
+++ b/bin/plug_ins/Stop/cp_stop_check
@@ -5,56 +5,61 @@
 """
 
 import argparse
-import sys
-import subprocess
 import os
 import re
+import subprocess
+import sys
 
+from gen_arg import *
+from gen_call_robot import *
+from gen_cmd import *
+from gen_misc import *
+from gen_plug_in_utils import *
 from gen_print import *
 from gen_valid import *
-from gen_arg import *
-from gen_misc import *
-from gen_cmd import *
-from gen_plug_in_utils import *
-from gen_call_robot import *
 
 # Set exit_on_error for gen_valid functions.
 set_exit_on_error(True)
 
 # Initialize default plug-in parms..
 STOP_REST_FAIL = 0
-STOP_COMMAND = ''
+STOP_COMMAND = ""
 stop_test_rc = 2
 STOP_VERIFY_HARDWARE_FAIL = 0
 
 
 # Create parser object to process command line parameters and args.
 parser = argparse.ArgumentParser(
-    usage='%(prog)s [OPTIONS]',
-    description="If the \"Stop\" plug-in is selected by the user, %(prog)s"
+    usage="%(prog)s [OPTIONS]",
+    description='If the "Stop" plug-in is selected by the user, %(prog)s'
     + " is called by OBMC Boot Test after each boot test.  If %(prog)s returns"
-    + " " + str(stop_test_rc) + ", then OBMC Boot Test will stop.  The user"
+    + " "
+    + str(stop_test_rc)
+    + ", then OBMC Boot Test will stop.  The user"
     + " may set environment variable STOP_COMMAND to contain any valid bash"
     + " command or program.  %(prog)s will run this stop command.  If the stop"
     + " command returns non-zero, then %(prog)s will return "
-    + str(stop_test_rc) + ".  %(prog)s recognizes some special values for"
-    + " STOP_COMMAND: 1) \"FAIL\" means that OBMC Boot Test should stop"
-    + " whenever a boot test fails. 2) \"ALL\" means that OBMC Boot Test"
+    + str(stop_test_rc)
+    + ".  %(prog)s recognizes some special values for"
+    + ' STOP_COMMAND: 1) "FAIL" means that OBMC Boot Test should stop'
+    + ' whenever a boot test fails. 2) "ALL" means that OBMC Boot Test'
     + " should stop after any boot test.  If environment variable"
     + " STOP_REST_FAIL is set, OBMC Boot Test will stop if REST commands are"
     + " no longer working.",
     formatter_class=argparse.ArgumentDefaultsHelpFormatter,
-    prefix_chars='-+')
+    prefix_chars="-+",
+)
 
 # The stock_list will be passed to gen_get_options.  We populate it with the names of stock parm options we
 # want.  These stock parms are pre-defined by gen_get_options.
-stock_list = [("test_mode", get_plug_default("test_mode", 0)),
-              ("quiet", get_plug_default("quiet", 0)),
-              ("debug", get_plug_default("debug", 0))]
+stock_list = [
+    ("test_mode", get_plug_default("test_mode", 0)),
+    ("quiet", get_plug_default("quiet", 0)),
+    ("debug", get_plug_default("debug", 0)),
+]
 
 
-def exit_function(signal_number=0,
-                  frame=None):
+def exit_function(signal_number=0, frame=None):
     r"""
     Execute whenever the program ends normally or with the signals that we catch (i.e. TERM, INT).
 
@@ -93,8 +98,9 @@
     if not STOP_REST_FAIL:
         return
 
-    REDFISH_SUPPORT_TRANS_STATE = int(os.environ.get('REDFISH_SUPPORT_TRANS_STATE', 0)) or \
-        int(os.environ.get('AUTOBOOT_REDFISH_SUPPORT_TRANS_STATE', 0))
+    REDFISH_SUPPORT_TRANS_STATE = int(
+        os.environ.get("REDFISH_SUPPORT_TRANS_STATE", 0)
+    ) or int(os.environ.get("AUTOBOOT_REDFISH_SUPPORT_TRANS_STATE", 0))
 
     if REDFISH_SUPPORT_TRANS_STATE:
         interface = "redfish"
@@ -103,23 +109,54 @@
 
     print_timen("Checking to see whether %s commands are working." % interface)
     init_robot_out_parms(get_plug_in_package_name() + "." + pgm_name + ".")
-    lib_file_path = init_robot_file_path("lib/utils.robot") + ":" \
+    lib_file_path = (
+        init_robot_file_path("lib/utils.robot")
+        + ":"
         + init_robot_file_path("lib/gen_robot_print.py")
+    )
     set_mod_global(lib_file_path)
-    timeout = '0 seconds'
-    interval = '1 second'
-    keyword_string = "${match_state}=  Create Dictionary  %s=1 ;" % interface +\
-        " ${state}=  Wait State  ${match_state}  " + timeout + "  " +\
-        interval + "  quiet=${1} ; Rpvar  state"
+    timeout = "0 seconds"
+    interval = "1 second"
+    keyword_string = (
+        "${match_state}=  Create Dictionary  %s=1 ;" % interface
+        + " ${state}=  Wait State  ${match_state}  "
+        + timeout
+        + "  "
+        + interval
+        + "  quiet=${1} ; Rpvar  state"
+    )
     set_mod_global(keyword_string)
-    cmd_buf = create_robot_cmd_string("extended/run_keyword.robot", OPENBMC_HOST, SSH_PORT, HTTPS_PORT,
-                                      REST_USERNAME, REST_PASSWORD, OPENBMC_USERNAME, OPENBMC_PASSWORD,
-                                      REDFISH_SUPPORT_TRANS_STATE, keyword_string, lib_file_path, quiet,
-                                      test_mode, debug, outputdir, output, log, report, loglevel)
+    cmd_buf = create_robot_cmd_string(
+        "extended/run_keyword.robot",
+        OPENBMC_HOST,
+        SSH_PORT,
+        HTTPS_PORT,
+        REST_USERNAME,
+        REST_PASSWORD,
+        OPENBMC_USERNAME,
+        OPENBMC_PASSWORD,
+        REDFISH_SUPPORT_TRANS_STATE,
+        keyword_string,
+        lib_file_path,
+        quiet,
+        test_mode,
+        debug,
+        outputdir,
+        output,
+        log,
+        report,
+        loglevel,
+    )
     if not robot_cmd_fnc(cmd_buf):
-        print_timen("The caller wishes to stop test execution if %s commands are failing." % interface)
+        print_timen(
+            "The caller wishes to stop test execution if %s commands are"
+            " failing." % interface
+        )
         stop_check()
-    print_timen("%s commands are working so no reason as of yet to stop the test." % interface)
+    print_timen(
+        "%s commands are working so no reason as of yet to stop the test."
+        % interface
+    )
 
 
 def esel_stop_check():
@@ -131,10 +168,15 @@
     if STOP_ESEL_STOP_FILE_PATH == "":
         return
 
-    cmd_buf = "esel_stop_check --esel_stop_file_path=" + STOP_ESEL_STOP_FILE_PATH
+    cmd_buf = (
+        "esel_stop_check --esel_stop_file_path=" + STOP_ESEL_STOP_FILE_PATH
+    )
     shell_rc, out_buf = shell_cmd(cmd_buf, show_err=0)
     if shell_rc == stop_test_rc:
-        print_timen("The caller wishes to stop test execution based on the presence of certain esel entries.")
+        print_timen(
+            "The caller wishes to stop test execution based on the presence of"
+            " certain esel entries."
+        )
         stop_check()
 
 
@@ -147,12 +189,17 @@
     if STOP_PEL_STOP_FILE_PATH == "":
         return
 
-    pel_txt_file_path = os.environ.get("AUTOBOOT_FFDC_DIR_PATH", "") + \
-        os.environ.get("AUTOBOOT_FFDC_PREFIX", "") + "PEL_logs_list.json"
+    pel_txt_file_path = (
+        os.environ.get("AUTOBOOT_FFDC_DIR_PATH", "")
+        + os.environ.get("AUTOBOOT_FFDC_PREFIX", "")
+        + "PEL_logs_list.json"
+    )
 
     if not os.path.isfile(pel_txt_file_path):
-        qprint_timen("The following file was not present so no further"
-                     + " action will be taken.")
+        qprint_timen(
+            "The following file was not present so no further"
+            + " action will be taken."
+        )
         qprint_var(pel_txt_file_path)
         return
 
@@ -161,8 +208,9 @@
     # If pel_stop_file_path is unqualified and cannot be found, pre-pend
     # default_stop_dir_path for the user.
     pel_stop_file_path = os.environ.get("STOP_PEL_STOP_FILE_PATH", "")
-    if not os.path.isfile(pel_stop_file_path) and \
-       os.path.isfile(default_stop_dir_path + pel_stop_file_path):
+    if not os.path.isfile(pel_stop_file_path) and os.path.isfile(
+        default_stop_dir_path + pel_stop_file_path
+    ):
         pel_stop_file_path = default_stop_dir_path + pel_stop_file_path
         qprint_timen("Using default stop file path.")
         qprint_var(pel_stop_file_path)
@@ -171,28 +219,31 @@
     pel_stop_list = file_to_list(pel_stop_file_path, newlines=0, comments=0)
 
     if len(pel_stop_list) == 0:
-        print_timen("There are no records to process in "
-                    + pel_stop_file_path + ".")
+        print_timen(
+            "There are no records to process in " + pel_stop_file_path + "."
+        )
         return
 
     pel_all_list = file_to_list(pel_txt_file_path, newlines=0, comments=0)
 
     if len(pel_all_list) == 0:
-        print_timen("There are no records to process in "
-                    + pel_txt_file_path + ".")
+        print_timen(
+            "There are no records to process in " + pel_txt_file_path + "."
+        )
         return
 
     for stop_pel in pel_stop_list:
         for pel_all in pel_all_list:
             pel_match = re.search(".*SRC.*" + stop_pel + ".*", pel_all)
             if pel_match:
-                print_timen("The caller wishes to stop test execution based on "
-                            + "the presence of certain PEL entries.")
+                print_timen(
+                    "The caller wishes to stop test execution based on "
+                    + "the presence of certain PEL entries."
+                )
                 stop_check()
 
 
 def main():
-
     gen_setup()
 
     print_plug_in_header()
@@ -217,10 +268,13 @@
     pel_stop_check()
 
     if STOP_VERIFY_HARDWARE_FAIL:
-        hardware_error_found = restore_plug_in_value(0, 'Verify_hardware')
+        hardware_error_found = restore_plug_in_value(0, "Verify_hardware")
         if hardware_error_found:
-            print_timen("The caller wishes to stop test execution when the Verify_hardware plug-in detects a"
-                        + " hardware error.")
+            print_timen(
+                "The caller wishes to stop test execution when the"
+                " Verify_hardware plug-in detects a"
+                + " hardware error."
+            )
             stop_check()
 
     qprint_timen("The caller does not wish to stop the test run.")