When DEB version in a package list file is not valid/doesn't match the
DEB file, downloader attempts to print a warning, but fails because
logger format string has a typo. This results in a Python exception.
Solution: fix the log message's format stirng
TESTS
========================
* Reproduce the problem by adding a bad package version to one of the
DEB list files in stx-tools
* Re-run downloader with a fix and make sure the warning is printed
correctly.
Closes-Bug: 2076268
Change-Id: Ib2f34528c7382374dadffcc1ee0bb77dc1614c84
Signed-off-by: Davlet Panech <davlet.panech@windriver.com>