Merge pull request #184 from davidbrochart/no_py36

Drop python3.6, test python3.10

Author: davidbrochart

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   build_docs:
     docker:
-      - image: circleci/python:3.6-stretch
+      - image: circleci/python:3.7-stretch
     steps:
       # Get our data and merge with upstream
       - run: sudo apt-get update

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [ 3.6, 3.7, 3.8, 3.9 ]
+        python-version: [ '3.7', '3.8', '3.9', '3.10' ]
         exclude:
           - os: windows-latest
             python-version: 3.8

docs/client.rst

@@ -173,7 +173,7 @@ Using a command-line interface
 
 This section will illustrate how to run notebooks from your terminal. It supports the most basic use case. For more sophisticated execution options, consider the `papermill <https://pypi.org/project/papermill/>`_ library.
 
-This library's command line tool is available by running `jupyter execute`. It expects notebooks as input arguments and accepts optional flags to modify the default behavior.
+This library's command line tool is available by running ``jupyter execute``. It expects notebooks as input arguments and accepts optional flags to modify the default behavior.
 
 Running a notebook is this easy.::
 

nbclient/client.py

@@ -1,21 +1,13 @@
+import asyncio
 import atexit
 import base64
 import collections
 import datetime
 import signal
-from textwrap import dedent
-
-try:
-    from contextlib import asynccontextmanager
-except ImportError:
-    # Use the backport package async-generator for Python < 3.7.
-    # This should be removed when nbclient drops support for Python 3.6
-    from async_generator import asynccontextmanager  # type: ignore
-
-import asyncio
 import typing as t
-from contextlib import contextmanager
+from contextlib import asynccontextmanager, contextmanager
 from queue import Empty
+from textwrap import dedent
 from time import monotonic
 
 from jupyter_client import KernelManager

requirements.txt

@@ -1,5 +1,4 @@
 traitlets>=4.2
 jupyter_client>=6.1.5
 nbformat>=5.0
-async_generator; python_version<'3.7'
 nest_asyncio