From eee9a5e3406fb6c1862bc7d3f59d62d0e45b3a79 Mon Sep 17 00:00:00 2001
From: Kevin Van Brunt <kmvanbrunt@gmail.com>
Date: Wed, 30 Oct 2019 17:15:02 -0400
Subject: [PATCH 1/2] Only removing ipy from cmd2 instances instead of the
 class when use_ipython is False

---
 cmd2/cmd2.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py
index 7d2cad205..6a6001074 100644
--- a/cmd2/cmd2.py
+++ b/cmd2/cmd2.py
@@ -368,10 +368,10 @@ def __init__(self, completekey: str = 'tab', stdin=None, stdout=None, *,
         :param shortcuts: dictionary containing shortcuts for commands. If not supplied, then defaults to
                           constants.DEFAULT_SHORTCUTS.
         """
-        # If use_ipython is False, make sure the do_ipy() method doesn't exit
+        # If use_ipython is False, make sure the ipy command isn't available in this instance
         if not use_ipython:
             try:
-                del Cmd.do_ipy
+                self.do_ipy = None
             except AttributeError:
                 pass
 

From 8056c5b6c224a603ba7c08c29a260cde4338d83d Mon Sep 17 00:00:00 2001
From: Kevin Van Brunt <kmvanbrunt@gmail.com>
Date: Wed, 30 Oct 2019 17:19:46 -0400
Subject: [PATCH 2/2] Updated change log

---
 CHANGELOG.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8b2718a0..e82257823 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
 ## 0.9.20 (TBD, 2019)
+* Bug Fixes
+    * Fixed bug where setting `use_ipython` to False removed ipy command from the entire `cmd2.Cmd` class instead of
+    just the instance being created
 * Enhancements
     * Send all startup script paths to run_script. Previously we didn't do this if the file was empty, but that
     showed no record of the run_script command in history.