Python 3.10 support, trove, and ci (#81)

Python 3.10 support, trove, and ci

Author: chayim

.circleci/config.yml

@@ -60,6 +60,8 @@ commands:
       - run:
           name: install dependencies
           command: |
+            # https://github.com/python-poetry/poetry/issues/4210
+            poetry config experimental.new-installer false
             poetry install
 
       - run:
@@ -120,6 +122,7 @@ python-versions: &python-versions
       python_version:
         - "3.8.9"
         - "3.9.4"
+        - "3.10.0"
         - "latest"
 
 workflows:

pyproject.toml

@@ -12,6 +12,7 @@ classifiers = [
     'Intended Audience :: Developers',
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
     'License :: OSI Approved :: BSD License',
     'Development Status :: 5 - Production/Stable'