accept 95 chars including CRLF. It is same as flake8 check.

utils/check_sources.py

@@ -57,7 +57,7 @@ if sys.version_info < (3, 0):
 def check_style_and_encoding(fn, lines):
     encoding = 'ascii'
     for lno, line in enumerate(lines):
-        if len(line) > 95:
+        if len(line.rstrip('\n')) > 95:
             yield lno+1, "line too long"
         if lno < 2:
             co = coding_re.search(line)