deprecation: remove support for py37 (#4101)

Author: benieric

.githooks/pre-push

@@ -12,5 +12,5 @@ start_time=`date +%s`
 tox -e sphinx,doc8 --parallel all
 ./ci-scripts/displaytime.sh 'sphinx,doc8' $start_time
 start_time=`date +%s`
-tox -e py37,py38,py39 --parallel all -- tests/unit
-./ci-scripts/displaytime.sh 'py37,py38,py39 unit' $start_time
+tox -e py38,py39,py310 --parallel all -- tests/unit
+./ci-scripts/displaytime.sh 'py38,py39,py310 unit' $start_time

README.rst

@@ -87,7 +87,6 @@ Supported Python Versions
 
 SageMaker Python SDK is tested on:
 
-- Python 3.7
 - Python 3.8
 - Python 3.9
 - Python 3.10

setup.py

@@ -92,14 +92,13 @@ def read_requirements(filename):
     url="https://github.com/aws/sagemaker-python-sdk/",
     license="Apache License 2.0",
     keywords="ML Amazon AWS AI Tensorflow MXNet",
-    python_requires=">= 3.6",
+    python_requires=">= 3.7",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "Natural Language :: English",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = black-format,flake8,pylint,docstyle,sphinx,doc8,twine,py37,py38,py39,py310
+envlist = black-format,flake8,pylint,docstyle,sphinx,doc8,twine,py38,py39,py310
 
 skip_missing_interpreters = False
 
@@ -73,13 +73,13 @@ passenv =
 # Can be used to specify which tests to run, e.g.: tox -- -s
 commands =
     python -c "import os; os.system('install-custom-pkgs --install-boto-wheels')"
-    pip install 'apache-airflow==2.6.3' --constraint "https://raw.githubusercontent.com/apache/airflow/constraints-2.6.3/constraints-3.7.txt"
+    pip install 'apache-airflow==2.7.0' --constraint "https://raw.githubusercontent.com/apache/airflow/constraints-2.7.0/constraints-3.8.txt"
 
     pytest --cov=sagemaker --cov-append {posargs}
     {env:IGNORE_COVERAGE:} coverage report -i --fail-under=86
 deps = .[test]
 depends =
-    {py37,py38,py39,py310}: clean
+    {py38,py39,py310}: clean
 
 [testenv:flake8]
 skipdist = true