diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index 0bc73b5990..e342d278b8 100755
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -204,7 +204,7 @@ def output(*args):
         output_fd.write(a)
 
 
-if sys.version_info >= (3, 0):
+if sys.version_info >= (3, 4):
     re_fullmatch = re.fullmatch
 else:
     def re_fullmatch(pat, str):
diff --git a/scripts/device-crash-test b/scripts/device-crash-test
index 483dafb2fc..2a13fa4f84 100755
--- a/scripts/device-crash-test
+++ b/scripts/device-crash-test
@@ -557,7 +557,8 @@ def main():
         logger.info("Skipped %d test cases", skipped)
 
     if args.debug:
-        stats = sorted([(len(wl_stats.get(i, [])), wl) for i, wl in enumerate(ERROR_WHITELIST)])
+        stats = sorted([(len(wl_stats.get(i, [])), wl) for i, wl in
+                         enumerate(ERROR_WHITELIST)], key=lambda x: x[0])
         for count, wl in stats:
             dbg("whitelist entry stats: %d: %r", count, wl)