use list and set comprehensions where appropriate

Signed-off-by: Nils Philippsen <nils@redhat.com>

distgit_bugzilla_sync/package_summaries.py

@@ -116,7 +116,7 @@ def get_primary_xml(destfolder, url, name):
     )
 
     # Filter down to only the primary.xml files
-    files = list((f, s, t) for f, s, t in files if 'primary.xml' in f)
+    files = [(f, s, t) for f, s, t in files if 'primary.xml' in f]
 
     if not files:
         log.debug('No primary.xml could be found in %s' % url)