Access attributes through self (#28)

Fixes #26

Co-authored-by: Suraj Jacob <28795567+jacobmsft@users.noreply.github.com>

Author: RA80533

container/libs/codeql.py

@@ -68,6 +68,7 @@ def get_current_local_version(self):
         if ret_string is CalledProcessError:
             logger.error("Could not run codeql command")
             exit(self.ERROR_EXECUTING_CODEQL)
+            
         version_match = search("toolchain release ([0-9.]+)\.", ret_string)
         if not version_match:
             logger.error("Could not determine existing codeql version")