From 038b474bfa8414ad168fb8c10a5f7d504040fa47 Mon Sep 17 00:00:00 2001
From: Kaxil Naik <kaxilnaik@gmail.com>
Date: Fri, 30 Oct 2020 13:14:13 +0000
Subject: [PATCH] Bump attrs and cattrs dependencies

`cattrs` now depends on `attrs >= 20.1.0`, because of `attr.resolve_types`.

Source: https://github.com/Tinche/cattrs/blob/master/HISTORY.rst#110-2020-10-29

closes https://github.com/apache/airflow/issues/11965
---
 setup.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index 2340284b3e0bf..cca4b6731a7f3 100644
--- a/setup.py
+++ b/setup.py
@@ -690,9 +690,11 @@ def is_package_excluded(package: str, exclusion_list: List[str]):
 INSTALL_REQUIREMENTS = [
     'alembic>=1.2, <2.0',
     'argcomplete~=1.10',
-    'attrs~=20.0',
+    'attrs>=20.0, <21.0',
     'cached_property~=1.5',
-    'cattrs~=1.0',
+    # cattrs >= 1.1.0 dropped support for Python 3.6
+    'cattrs>=1.0, <1.1.0;python_version<="3.6"',
+    'cattrs>=1.0, <2.0;python_version>"3.7"',
     'colorlog==4.0.2',
     'connexion[swagger-ui,flask]>=2.6.0,<3',
     'croniter>=0.3.17, <0.4',