From df80103c333bcc810346430b3991aa44e34da75e Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Wed, 18 Apr 2018 19:36:39 -0700
Subject: [PATCH] Solve the Travis failure with 3.7 from deadsnakes

---
 .travis.yml                |  9 +++++++--
 .travis_py37_workaround.sh | 12 ++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)
 create mode 100644 .travis_py37_workaround.sh

diff --git a/.travis.yml b/.travis.yml
index 5452f0f..f37d6df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,12 @@
-sudo: false
+sudo: required
+dist: xenial
 language: python
 cache: pip
-before_script:
+before_install:
+- if [[ $TRAVIS_PYTHON_VERSION == '3.7-dev' ]]; then sudo add-apt-repository ppa:deadsnakes/ppa -y; fi
+- if [[ $TRAVIS_PYTHON_VERSION == '3.7-dev' ]]; then sudo sudo apt-get update; fi
+install:
+- if [[ $TRAVIS_PYTHON_VERSION == '3.7-dev' ]]; then source .travis_py37_workaround.sh; fi
 - pip install coverage coveralls flake8 flake8-bugbear mypy
 - pip install -e .
 script:
diff --git a/.travis_py37_workaround.sh b/.travis_py37_workaround.sh
new file mode 100644
index 0000000..8db36bb
--- /dev/null
+++ b/.travis_py37_workaround.sh
@@ -0,0 +1,12 @@
+echo "The ready-made virtualenv is not the one we want. Deactivating..."
+deactivate
+
+echo "Installing 3.7 from deadsnakes..."
+sudo apt-get --yes install python3.7
+
+echo "Creating a fresh virtualenv. We can't use `ensurepip` because Debian."
+python3.7 -m venv ~/virtualenv/python3.7-deadsnakes --without-pip
+source ~/virtualenv/python3.7-deadsnakes/bin/activate
+
+echo "We ensure our own pip."
+curl -sSL https://bootstrap.pypa.io/get-pip.py | python3.7
-- 
2.39.5