From ce6346de9c5ea83cb8bf3d65d6827b4e51f6875a Mon Sep 17 00:00:00 2001
From: ehooo <web.ehooo@gmail.com>
Date: Thu, 27 Feb 2020 23:10:31 +0100
Subject: [PATCH] Improve detection of "nosec" clause

---
 bandit/core/manager.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/bandit/core/manager.py b/bandit/core/manager.py
index 956d0673b..298812c2d 100644
--- a/bandit/core/manager.py
+++ b/bandit/core/manager.py
@@ -264,9 +264,14 @@ def _parse_file(self, fname, fdata, new_files_list):
             lines = data.splitlines()
             self.metrics.begin(fname)
             self.metrics.count_locs(lines)
-            if self.ignore_nosec:
-                nosec_lines = set()
+
+            nosec_lines = set()
+            if not six.PY2 and isinstance(data, bytes):
+                has_nosec = b'nosec' in data
             else:
+                has_nosec = 'nosec' in data
+
+            if not self.ignore_nosec and has_nosec:
                 try:
                     fdata.seek(0)
                     if six.PY2: