feat: update Python versions (#138)

This PR drops the support for Python 3.6 and
adds support for Python 3.10.

.travis.yml

@@ -4,11 +4,11 @@ language: python
 
 matrix:
   include:
-    - python: 3.6
     - python: 3.7
     - python: 3.8
     - python: 3.9
-
+    - python: 3.10
+
 cache: pip3
 
 before_install:
@@ -36,13 +36,13 @@ deploy:
     script: npx semantic-release
     skip_cleanup: true
     on:
-      python: '3.6'
+      python: '3.7'
       branch: main
   - provider: pypi
     user: $PYPI_USER
     password: $PYPI_TOKEN
     repository: https://upload.pypi.org/legacy
     skip_cleanup: true
     on:
-      python: '3.6'
+      python: '3.7'
       tags: true

CONTRIBUTING.md

@@ -34,7 +34,7 @@ If you want to contribute to the repository, here's a quick guide:
     * Only use spaces for indentation.
     * Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
     * Check for unnecessary whitespace with `git diff --check` before committing.
-    * Make sure your code supports Python 3.5, 3.6, and 3.7. You can use `pyenv` and `tox` for this
+    * Make sure your code supports Python 3.7, 3.8, 3.9 and 3.10. You can use `pyenv` and `tox` for this
 1. Make the test pass
 1. Check code coverage. Add tests for all new functionality and ensure overall coverage does not decrease.
 1. Commit your changes

README.md

@@ -9,7 +9,7 @@ This project contains core functionality required by Python code generated by th
 (openapi-sdkgen).
 
 # Python Version
-The current minimum Python version supported is 3.6.
+The current minimum Python version supported is 3.7.
 
 ## Installation
 

setup.py

@@ -68,10 +68,10 @@ def run_tests(self):
       classifiers=[
           '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',
+          'Programming Language :: Python :: 3.10',
           'Development Status :: 5 - Production/Stable',
           'Intended Audience :: Developers',
           'License :: OSI Approved :: Apache Software License',