From b26e60c2daf65beb33f2390197a5646df9216985 Mon Sep 17 00:00:00 2001
From: TWood67 <Taylorwood67@gmail.com>
Date: Fri, 21 Feb 2020 11:45:24 -0600
Subject: [PATCH] updated documentation

added a default value so a runtime exception does not occur
---
 doc/en/fixture.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/en/fixture.rst b/doc/en/fixture.rst
index be071302a..a9352a19f 100644
--- a/doc/en/fixture.rst
+++ b/doc/en/fixture.rst
@@ -326,7 +326,7 @@ containers for different environments. See the example below.
 .. code-block:: python
 
     def determine_scope(fixture_name, config):
-        if config.getoption("--keep-containers"):
+        if config.getoption("--keep-containers", None):
             return "session"
         return "function"