drop support for Python 3.6

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
 
     steps:
       - uses: "actions/checkout@v2"

CONTRIBUTING.md

@@ -55,21 +55,21 @@ If you are contributing with documentation please jump to [building documentatio
 
 We need to install the development package before we can run the tests. If anything is confusing below, always resort to the relevant documentation.
 
-For the most basic test runs against python 3.6 use this tox subset (callable after `pip install tox`):
+For the most basic test runs against python 3.8 use this tox subset (callable after `pip install tox`):
 
 ```bash
-tox -e py36
+tox -e py38
 ```
 
-This will just execute the unittests against python 3.6 in a new virtual env. The first run will take longer to setup the virtualenv, but will be fast after that point.
+This will just execute the unittests against python 3.8 in a new virtual env. The first run will take longer to setup the virtualenv, but will be fast after that point.
 
 For a full test suite of all envs and linting checks simply run tox without any arguments
 
 ```bash
 tox
 ```
 
-This will require python3.6, python3.8, and python3.7 to be installed. **Note** that python 3.7 has problems with the alpha build which is the available package version on many linux distros. Local build failures with 3.7 can happen as a result (you'll see a seg fault or exist code -11).
+This will require python3.7, python3.8, python3.9 and python3.10 to be installed. **Note** that python 3.7 has problems with the alpha build which is the available package version on many linux distros. Local build failures with 3.7 can happen as a result (you'll see a seg fault or exist code -11).
 
 Alternavitely pytest can be used if you have an environment already setup which works or has custom packages not present in the tox build.
 

README.md

@@ -54,7 +54,7 @@ pip install papermill[all]
 
 ## Python Version Support
 
-This library currently supports Python 3.6+ versions. As minor Python
+This library currently supports Python 3.7+ versions. As minor Python
 versions are officially sunset by the Python org papermill will similarly
 drop support in the future.
 

docs/index.rst

@@ -34,7 +34,7 @@ This opens up new opportunities for how notebooks can be used. For example:
 Python Version Support
 ----------------------
 
-This library currently supports python 3.6+ versions. As minor python
+This library currently supports python 3.7+ versions. As minor python
 versions are officially sunset by the python org papermill will similarly
 drop support in the future.
 

setup.py

@@ -76,7 +76,7 @@ def read_reqs(fname, folder=None):
     long_description_content_type='text/markdown',
     url='https://github.com/nteract/papermill',
     packages=['papermill'],
-    python_requires='>=3.6',
+    python_requires='>=3.7',
     install_requires=read_reqs('requirements.txt'),
     extras_require=extras_require,
     entry_points={'console_scripts': ['papermill = papermill.__main__:papermill']},
@@ -93,7 +93,6 @@ def read_reqs(fname, folder=None):
         'License :: OSI Approved :: BSD License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',

tox.ini

@@ -1,10 +1,9 @@
 [tox]
 skipsdist = true
-envlist = py{36,37,38,39,310}, flake8, dist, manifest, docs, binder
+envlist = py{37,38,39,310}, flake8, dist, manifest, docs, binder
 
 [gh-actions]
 python =
-    3.6: py36
     3.7: py37
     3.8: py38, dist
     3.9: py39
@@ -68,7 +67,6 @@ setenv =
     AWS_SECRET_ACCESS_KEY=foobar_secret
 passenv = *
 basepython =
-    py36: python3.6
     py37: python3.7
     py38: python3.8
     py39: python3.9