Code documentation and robot standard line checks

Changes:
     - Too many trailing blank lines
     - Line is too long (exceeds 110 characters)

Tested:
     - python3 -m rflint -rA robot_standards -R robot_custom_rules.py
       files checked in

Change-Id: Ic3561bd4cfe5debdd4e05769016fa81eef02eff3
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_multiple_interfaces_dhcp.robot b/redfish/managers/test_multiple_interfaces_dhcp.robot
index 49a886b..35baaec 100644
--- a/redfish/managers/test_multiple_interfaces_dhcp.robot
+++ b/redfish/managers/test_multiple_interfaces_dhcp.robot
@@ -22,7 +22,8 @@
 *** Test Cases ***
 
 Disable DHCP On Eth1 And Verify System Is Accessible By Eth0
-    [Documentation]  Disable DHCP on eth1 using Redfish and verify if system is accessible by eth0.
+    [Documentation]  Disable DHCP on eth1 using Redfish and verify
+    ...              if system is accessible by eth0.
     [Tags]  Disable_DHCP_On_Eth1_And_Verify_System_Is_Accessible_By_Eth0
     [Teardown]  Set DHCPEnabled To Enable Or Disable  True  eth1
 
@@ -30,7 +31,8 @@
     Wait For Host To Ping  ${OPENBMC_HOST}  ${NETWORK_TIMEOUT}
 
 Enable DHCP On Eth1 And Verify System Is Accessible By Eth0
-    [Documentation]  Enable DHCP on eth1 using Redfish and verify if system is accessible by eth0.
+    [Documentation]  Enable DHCP on eth1 using Redfish and verify if system
+    ...              is accessible by eth0.
     [Tags]  Enable_DHCP_On_Eth1_And_Verify_System_Is_Accessible_By_Eth0
     [Setup]  Set DHCPEnabled To Enable Or Disable  False  eth1
 
@@ -41,12 +43,14 @@
 
 Set DHCPEnabled To Enable Or Disable
     [Documentation]  Enable or Disable DHCP on the interface.
-    [Arguments]  ${dhcp_enabled}=${False}  ${interface}=${ethernet_interface}  ${valid_status_code}=[${HTTP_OK},${HTTP_ACCEPTED}]
+    [Arguments]  ${dhcp_enabled}=${False}  ${interface}=${ethernet_interface}
+    ...          ${valid_status_code}=[${HTTP_OK},${HTTP_ACCEPTED}]
 
     # Description of argument(s):
     # dhcp_enabled        False for disabling DHCP and True for Enabling DHCP.
     # interface           eth0 or eth1. Default is eth1.
-    # valid_status_code   Expected valid status code from Patch request. Default is HTTP_OK.
+    # valid_status_code   Expected valid status code from Patch request.
+    #                     Default is HTTP_OK.
 
     ${data}=  Set Variable If  ${dhcp_enabled} == ${False}  ${DISABLE_DHCP}  ${ENABLE_DHCP}
     ${resp}=  Redfish.Patch