Drop Python 3.6

Decision made based on statistics from: https://git.afpy.org/mdk/python-versions

Author: moomoohk

.github/workflows/tests.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       matrix:
         # Match versions specified in tox.ini
-        python-version: ['3.6', '3.8', '3.9', '3.10', 'pypy-3.7']
+        python-version: ['3.8', '3.9', '3.10', 'pypy-3.7']
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

README.rst

@@ -2,6 +2,7 @@ dpath-python
 ============
 
 |PyPI|
+|Python Version|
 |Build Status|
 |Gitter|
 
@@ -451,12 +452,16 @@ components instead of string globs.
     :target: https://pypi.python.org/pypi/dpath/
     :alt: PyPI: Latest Version
 
+.. |Python Version| image:: https://img.shields.io/pypi/pyversions/dpath?style=flat
+    :target: https://pypi.python.org/pypi/dpath/
+    :alt: Supported Python Version
+
 .. |Build Status| image:: https://github.com/dpath-maintainers/dpath-python/actions/workflows/tests.yml/badge.svg
-   :target: https://github.com/dpath-maintainers/dpath-python/actions/workflows/tests.yml
+    :target: https://github.com/dpath-maintainers/dpath-python/actions/workflows/tests.yml
 
 .. |Gitter| image:: https://badges.gitter.im/dpath-python/chat.svg
-   :target: https://gitter.im/dpath-python/chat?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge
-   :alt: Gitter
+    :target: https://gitter.im/dpath-python/chat?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge
+    :alt: Gitter
 
 Contributors
 ============

setup.py

@@ -25,7 +25,7 @@
         scripts=[],
         packages=["dpath"],
         data_files=[],
-        python_requires=">=3",
+        python_requires=">=3.7",
         classifiers=[
             'Development Status :: 5 - Production/Stable',
             'Environment :: Console',

tox.ini

@@ -7,11 +7,10 @@
 ignore = E501,E722
 
 [tox]
-envlist = py36, pypy37, py38, py39, py310, flake8
+envlist = pypy37, py38, py39, py310, flake8
 
 [gh-actions]
 python =
-    3.6.15: py36
     pypy-3.7: pypy37
     3.8: py38
     3.9: py39