From ed9bff2eb9d6c59f0b25d7de99512ab8c3377e95 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 24 Sep 2019 10:11:31 +0200
Subject: [PATCH] soc/integration/doc: replace "== None" by "is None"

---
 litex/soc/integration/doc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litex/soc/integration/doc.py b/litex/soc/integration/doc.py
index 6477cc1bc..6b360dc5a 100644
--- a/litex/soc/integration/doc.py
+++ b/litex/soc/integration/doc.py
@@ -64,7 +64,7 @@ class ModuleDoc(DUID):
         self._title = title
         self._format = format
 
-        if file == None and body == None and self.__doc__ is None:
+        if file is None and body is None and self.__doc__ is None:
             raise ValueError("Must specify `file` or `body` when constructing a ModuleDoc()")
         if file is not None:
             if not os.path.isabs(file):