Add two spaces around equal sign (#23719)

Fit to PEP8 coding style

diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 292f8be20aa9872d0154d74ee9e0a0410006d25d..7f947efcb6766b85304d9b96279889c8a99fe5ae 100644 (file)
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -1281,7 +1281,7 @@ be used directly:
 
 becomes::
 
-   output=check_output("dmesg | grep hda", shell=True)
+   output = check_output("dmesg | grep hda", shell=True)
 
 
 Replacing :func:`os.system`