Drop Python 3.6 (#338)

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-         pyver: ['3.6', '3.7', '3.8', '3.9', '3.10']
+         pyver: ['3.7', '3.8', '3.9', '3.10']
       fail-fast: true
     steps:
       - name: Checkhout

.pre-commit-config.yaml

@@ -69,7 +69,7 @@ repos:
   rev: 'v2.37.3'
   hooks:
   - id: pyupgrade
-    args: ['--py36-plus']
+    args: ['--py37-plus']
 - repo: https://github.com/PyCQA/flake8
   rev: '5.0.4'
   hooks:

aiojobs/_job.py

@@ -12,10 +12,7 @@ class Job:
     _task = None
 
     def __init__(self, coro, scheduler):
-        if sys.version_info >= (3, 7):
-            self._loop = loop = asyncio.get_running_loop()
-        else:
-            self._loop = loop = asyncio.get_event_loop()
+        self._loop = loop = asyncio.get_running_loop()
         self._coro = coro
         self._scheduler = scheduler
         self._started = loop.create_future()

aiojobs/_scheduler.py

@@ -1,16 +1,12 @@
 import asyncio
-import sys
 from collections.abc import Collection
 
 from ._job import Job
 
 
 class Scheduler(Collection):
     def __init__(self, *, close_timeout, limit, pending_limit, exception_handler):
-        if sys.version_info >= (3, 7):
-            self._loop = loop = asyncio.get_running_loop()
-        else:
-            self._loop = loop = asyncio.get_event_loop()
+        self._loop = loop = asyncio.get_running_loop()
         self._jobs = set()
         self._close_timeout = close_timeout
         self._limit = limit

pyproject.toml

@@ -10,7 +10,7 @@ home-page = "https://github.com/aio-libs/aiojobs"
 requires=[
     "async-timeout >= 4.0.0"
 ]
-requires-python=">=3.6"
+requires-python=">=3.7"
 description-file="README.rst"
 classifiers = [
     "License :: OSI Approved :: Apache Software License",
@@ -19,7 +19,6 @@ classifiers = [
     "Framework :: AsyncIO",
     "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",

tests/test_scheduler.py

@@ -1,5 +1,4 @@
 import asyncio
-import sys
 from unittest import mock
 
 import pytest
@@ -379,10 +378,6 @@ async def f():
         del coro
 
 
-@pytest.mark.skipif(
-    sys.version_info < (3, 7),
-    reason="Python 3.6 doesn't support asyncio.get_running_loop()",
-)
 def test_scheduler_must_be_created_within_running_loop():
     with pytest.raises(RuntimeError) as exc_info:
         Scheduler(close_timeout=0, limit=0, pending_limit=0, exception_handler=None)