SR-OS remote file size (#2190)
SR-OS remote file size (#2190)

* SCP nokia_sros: Fix to remote_file_size()

* black formatted

* / instead of \\ used as a separator between file_system and dest_file

Co-authored-by: Kierklo Jakub <cadb234f9a1c6912140fe0c7c04fbb546cd5b6d5@nokia.com>
ktbyers/netmiko,ktbyers/netmiko