pde

Keybase proof

I hereby claim:

• I am pde on github.
• I am pde (https://keybase.io/pde) on keybase.
• I have a public key whose fingerprint is A56B A27D 94B8 96BE EB64 0129 494F 21B9 D67C 4D21

To claim this, I am signing this object:

pde

diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index c6b2bf6..15f2fe8 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -429,13 +429,15 @@ should not be line-wrapped::
 including argument descriptions.
 
 :class:`ArgumentDefaultsHelpFormatter` automatically adds information about
-default values to each of the argument help messages::
+default values to each of the argument help messages, unless they already

pde

diff --git a/Lib/argparse.py b/Lib/argparse.py
index 209b4e9..254b803 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -665,11 +665,11 @@ class ArgumentDefaultsHelpFormatter(HelpFormatter):
 
     def _get_help_string(self, action):
         help = action.help
-        if '%(default)' not in action.help:
+        if '%(default)' not in help and '%(help_default)' not in help:

pde

sudo apt-get install python-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  libtrio2
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  python-pip-whl
The following packages will be upgraded: