From dfea4aa4f8a81c361afa6ead8d8361da2e6e47f9 Mon Sep 17 00:00:00 2001
From: Tobias Wochinger <t.wochinger@rasa.com>
Date: Mon, 17 Feb 2020 15:07:12 +0100
Subject: [PATCH 1/3] pin gym version to avoid segmentation fault

---
 requirements.txt | 3 +++
 setup.py         | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/requirements.txt b/requirements.txt
index bafda9be64aa..a786465c5917 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,9 @@ absl-py>=0.8.0
 setuptools >= 41.0.0
 tensorflow-probability==0.7.0
 tensor2tensor==1.14.0
+# fixes https://github.com/RasaHQ/rasa/issues/5231
+# remove when removing `tensor2tensor`
+gym==0.15.4
 apscheduler==3.6.0
 tqdm==4.31.0
 networkx==2.4.0
diff --git a/setup.py b/setup.py
index 6e10334b8f53..8f6c984b7ca8 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,9 @@
     "setuptools >= 41.0.0",
     "tensorflow-probability~=0.7.0",
     "tensor2tensor~=1.14.0",
+    # fixes https://github.com/RasaHQ/rasa/issues/5231
+    # remove when removing `tensor2tensor`
+    "gym<=0.15.4",
     "apscheduler~=3.0",
     "tqdm~=4.0",
     "networkx~=2.4.0",

From 02f6d8389b48f9b86c3177f7cc7936857872e2ec Mon Sep 17 00:00:00 2001
From: Tobias Wochinger <t.wochinger@rasa.com>
Date: Mon, 17 Feb 2020 15:07:21 +0100
Subject: [PATCH 2/3] remove unused import

---
 rasa/core/training/generator.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/rasa/core/training/generator.py b/rasa/core/training/generator.py
index 9941e0261deb..c0bbbde18e64 100644
--- a/rasa/core/training/generator.py
+++ b/rasa/core/training/generator.py
@@ -1,7 +1,6 @@
 from collections import defaultdict, namedtuple, deque
 
 import copy
-import warnings
 import logging
 import random
 from tqdm import tqdm

From b7558ad9ec2383d00b8c451764412d44728b68d9 Mon Sep 17 00:00:00 2001
From: Tobias Wochinger <t.wochinger@rasa.com>
Date: Mon, 17 Feb 2020 15:10:10 +0100
Subject: [PATCH 3/3] add changelog

---
 changelog/5231.bugfix.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changelog/5231.bugfix.rst

diff --git a/changelog/5231.bugfix.rst b/changelog/5231.bugfix.rst
new file mode 100644
index 000000000000..6c0992215c26
--- /dev/null
+++ b/changelog/5231.bugfix.rst
@@ -0,0 +1 @@
+Fix segmentation fault when running ``rasa train`` or ``rasa shell``.