Merge branch 'master' into wait_for_endpoint

Author: vikas0203

.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 py36,py37,py38 --parallel all -- tests/unit
-./ci-scripts/displaytime.sh 'py36,py37,py38 unit' $start_time
+tox -e py37,py38,py39 --parallel all -- tests/unit
+./ci-scripts/displaytime.sh 'py37,py38,py39 unit' $start_time

.github/PULL_REQUEST_TEMPLATE.md

@@ -11,7 +11,7 @@ _Put an `x` in the boxes that apply. You can also fill these out after creating
 #### General
 
 - [ ] I have read the [CONTRIBUTING](https://github.com/aws/sagemaker-python-sdk/blob/master/CONTRIBUTING.md) doc
-- [ ] I certify that the changes I am introducing will be backword compatible, and I have discussed concerns about this, if any, with the Python SDK team
+- [ ] I certify that the changes I am introducing will be backward compatible, and I have discussed concerns about this, if any, with the Python SDK team
 - [ ] I used the commit message format described in [CONTRIBUTING](https://github.com/aws/sagemaker-python-sdk/blob/master/CONTRIBUTING.md#committing-your-change)
 - [ ] I have passed the region in to all S3 and STS clients that I've initialized as part of this change.
 - [ ] I have updated any necessary documentation, including [READMEs](https://github.com/aws/sagemaker-python-sdk/blob/master/README.rst) and [API docs](https://github.com/aws/sagemaker-python-sdk/tree/master/doc) (if appropriate)

.gitignore

@@ -29,4 +29,6 @@ venv/
 env/
 .vscode/
 **/tmp
-.python-version
+.python-version
+**/_repack_model.py
+**/_repack_script_launcher.sh

.readthedocs.yml renamed to .readthedocs.yaml

@@ -4,13 +4,19 @@
 
 version: 2
 
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
+
+
 python:
-  version: 3.6
   install:
     - method: pip
       path: .
     - requirements: doc/requirements.txt
 
+
 sphinx:
   configuration: doc/conf.py
   fail_on_warning: true # http://www.sphinx-doc.org/en/master/man/sphinx-build.html#id6