diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/platform_sensors.py b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/platform_sensors.py
index 327d03bc7b8d..0fc484be2f07 100755
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/platform_sensors.py
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/platform_sensors.py
@@ -11,7 +11,6 @@
 #   * PSU
 
 
-import os
 import sys
 import logging
 import commands
@@ -79,7 +78,7 @@ def get_switch_details():
             if (partno  in switch_sku): return switch_sku[partno]
     return None
 
-ret_status, ipmi_cmd_ret = commands.getstatusoutput('echo 0 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us')
+commands.getstatusoutput('echo 0 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us')
 print_temperature_sensors()
 
 # Print the information for 1 Fan Tray
diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/qsfp_irq_enable.py b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/qsfp_irq_enable.py
index 5050475f987e..faf74040cf64 100755
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/qsfp_irq_enable.py
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/qsfp_irq_enable.py
@@ -2,7 +2,6 @@
 
 try:
         import struct
-        import sys
         from os import *
         from mmap import *
 
diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/s5212f_platform.sh b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/s5212f_platform.sh
index 2a5caf90ed70..2c778cf98b43 100755
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/s5212f_platform.sh
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/scripts/s5212f_platform.sh
@@ -150,7 +150,7 @@ install_python_api_package() {
 }
 
 remove_python_api_package() {
-    rv=$(pip show sonic-platform > /dev/null 2>/dev/null)
+    rv=$(pip3 show sonic-platform > /dev/null 2>/dev/null)
     if [ $? -eq 0 ]; then
         rv=$(pip3 uninstall -y sonic-platform > /dev/null 2>/dev/null)
     fi
diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/chassis.py
index e308fb977f8c..64f926f64c1f 100644
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/chassis.py
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/chassis.py
@@ -11,9 +11,7 @@
 try:
     import os
     import time
-    import select
     import sys
-    import binascii
     from sonic_platform_base.chassis_base import ChassisBase
     from sonic_platform.sfp import Sfp
     from sonic_platform.eeprom import Eeprom
@@ -132,7 +130,7 @@ def _get_register(self, reg_file):
         try:
             with os.fdopen(os.open(reg_file, os.O_RDONLY)) as fd:
                 retval = fd.read()
-        except:
+        except Exception:
             pass
         retval = retval.rstrip('\r\n')
         retval = retval.lstrip(" ")
@@ -300,7 +298,7 @@ def get_reboot_cause(self):
         try:
             with open(self.REBOOT_CAUSE_PATH) as fd:
                 reboot_cause = int(fd.read(), 16)
-        except:
+        except Exception:
             return (self.REBOOT_CAUSE_NON_HARDWARE, None)
 
         if reboot_cause & 0x1:
diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/component.py b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/component.py
index 73a47f868d8e..a1bba0c9d372 100644
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/component.py
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/component.py
@@ -10,8 +10,6 @@
 ########################################################################
 
 try:
-    import os
-    import re
     import subprocess
     from sonic_platform_base.component_base import ComponentBase
     import sonic_platform.hwaccess as hwaccess
@@ -59,8 +57,7 @@ class Component(ComponentBase):
          ],
 
         ['BMC',
-         'Platform management controller for on-board temperature '
-         'monitoring, in-chassis power, Fan and LED control',
+         'Platform management controller for on-board temperature monitoring, in-chassis power, Fan and LED control',
          get_bmc_version
          ],
 
diff --git a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/watchdog.py b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/watchdog.py
index 16eeee7ab5e4..fd3ace892387 100644
--- a/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/watchdog.py
+++ b/platform/broadcom/sonic-platform-modules-dell/s5212f/sonic_platform/watchdog.py
@@ -10,8 +10,6 @@
 ########################################################################
 
 try:
-    import sys
-    import struct
     import ctypes
     import subprocess
     import syslog
@@ -141,8 +139,6 @@ def arm(self, seconds):
             self.timeout = seconds
             return seconds
 
-        return -1
-
     def disarm(self):
         """
         Disarm the hardware watchdog