chore: added support for Python 3.9 (#163)

Author: bednar

.circleci/config.yml

@@ -130,6 +130,9 @@ workflows:
       - tests-python:
           name: test-3.8
           python-image: "circleci/python:3.8-buster"
+      - tests-python:
+          name: test-3.9
+          python-image: "circleci/python:3.9-buster"
 
   nightly:
     triggers:

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 1.12.0 [unreleased]
 
+1. [#163](https://github.com/influxdata/influxdb-client-python/pull/163): Added support for Python 3.9
+
 ### Features
 1. [#161](https://github.com/influxdata/influxdb-client-python/pull/161): Added logging message for retries
 

setup.py

@@ -49,6 +49,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Database',
         'Topic :: Software Development :: Libraries',
         'Topic :: Software Development :: Libraries :: Python Modules',