Compatibility with Python 3.8, see upstream issue
https://github.com/rbarrois/aionotify/pull/15

diff --git a/setup.py b/setup.py
index 21a554f..094de64 100755
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ setup(
     setup_requires=[
     ],
     tests_require=[
-        'asynctest',
+        'asynctest; python_version<"3.8"',
     ],
     classifiers=[
         "Development Status :: 4 - Beta",
diff --git a/tests/test_usage.py b/tests/test_usage.py
index f156291..0476ff1 100644
--- a/tests/test_usage.py
+++ b/tests/test_usage.py
@@ -8,7 +8,11 @@ import os.path
 import tempfile
 import unittest
 
-import asynctest
+try:
+    testBase = unittest.IsolatedAsyncioTestCase
+except AttributeError:
+    import asynctest
+    testBase = asynctest.TestCase
 
 import aionotify
 
@@ -25,11 +29,13 @@ if AIODEBUG:
 TESTDIR = os.environ.get('AIOTESTDIR') or os.path.join(os.path.dirname(__file__), 'testevents')
 
 
-class AIONotifyTestCase(asynctest.TestCase):
+class AIONotifyTestCase(testBase):
     forbid_get_event_loop = True
     timeout = 3
 
     def setUp(self):
+        if not getattr (self, 'loop', None):
+            self.loop = asyncio.get_event_loop()
         if AIODEBUG:
             self.loop.set_debug(True)
         self.watcher = aionotify.Watcher()
href='/guix/commit/gnu/tests.scm?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795'>commit</a><a href='/guix/diff/gnu/tests.scm?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests.scm'>
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<div class='path'>path: <a href='/guix/log/?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795'>root</a>/<a href='/guix/log/gnu?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795'>gnu</a>/<a href='/guix/log/gnu/tests.scm?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795'>tests.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests.scm?id=4621cd7b8db00fd8230c8c5e51929f926aaf3795&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-08-29 01:05:26 -0400'>2021-08-29</span></td><td><a href='/guix/commit/gnu/tests.scm?id=da4e40948326387d5bcda58783914d5f9ce8b095'>Migrate to the new 'targets' field of bootloader-configuration.</a><span class='msg-avail'>...<span class='msg-tooltip'>The old 'target' field is deprecated; adjust the sources to use the new
'targets' one instead.

* doc/guix-cookbook.texi&lt;target&gt;: Replace by 'targets'.
* gnu/bootloader/grub.scm: Likewise.
* gnu/installer/parted.scm: Likewise.
* gnu/machine/digital-ocean.scm: Likewise.
* gnu/system/examples/asus-c201.tmpl: Likewise
* gnu/system/examples/bare-bones.tmpl: Likewise
* gnu/system/examples/bare-hurd.tmpl: Likewise
* gnu/system/examples/beaglebone-black.tmpl: Likewise
* gnu/system/examples/desktop.tmpl: Likewise
* gnu/system/examples/docker-image.tmpl: Likewise
* gnu/system/examples/lightweight-desktop.tmpl: Likewise
* gnu/system/examples/vm-image.tmpl: Likewise
* gnu/system/examples/yggdrasil.tmpl: Likewise
* gnu/system/hurd.scm: Likewise
* gnu/system/images/hurd.scm: Likewise
* gnu/system/images/novena.scm: Likewise
* gnu/system/images/pine64.scm: Likewise
* gnu/system/images/pinebook-pro.scm: Likewise
* gnu/system/images/rock64.scm: Likewise
* gnu/system/install.scm: Likewise
* gnu/system/vm.scm: Likewise
* gnu/tests.scm: Likewise
* gnu/tests/ganeti.scm: Likewise
* gnu/tests/install.scm: Likewise
* gnu/tests/nfs.scm: Likewise
* gnu/tests/telephony.scm: Likewise
* tests/boot-parameters.scm: Likewise
* tests/system.scm: Likewise
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-04-12 18:42:22 +0200'>2021-04-12</span></td><td><a href='/guix/commit/gnu/tests.scm?id=3332f4365bf329c361d650c70e53b8a74ad923bd'>tests: Support package extensions in the backdoor REPL.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/tests.scm
  (&lt;marionette-configuration&gt;): Add 'extensions' field.
  (marionette-shepherd-service): Honour the field.
  (with-import-modules-and-extensions): Define a combination
  of 'with-import-modules' and 'with-extensions'.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2021-02-19 20:10:08 +0100'>2021-02-19</span></td><td><a href='/guix/commit/gnu/tests.scm?id=f57b7cea748c1e8284373811c13398d9f69aec89'>tests: Export %simple-os.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/tests.scm (%simple-os): Export it.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-07-25 19:11:36 +0200'>2020-07-25</span></td><td><a href='/guix/commit/gnu/tests.scm?id=a5e2fc73760a2ae023f2e56bdbf8025971f90e64'>utils: Move &lt;location&gt; and '&amp;error-location' to (guix diagnostics).</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/utils.scm (&lt;location&gt;, source-properties-&gt;location)
(location-&gt;source-properties, &amp;error-location): Move to...
* guix/diagnostics.scm: ... here.
* gnu.scm: Adjust imports accordingly.
* gnu/machine.scm: Likewise.
* gnu/system.scm: Likewise.
* gnu/tests.scm: Likewise.
* guix/inferior.scm: Likewise.
* tests/channels.scm: Likewise.
* tests/packages.scm: Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-05 16:33:37 +0100'>2020-03-05</span></td><td><a href='/guix/commit/gnu/tests.scm?id=c0b726c2112e0e670dc134583b376541c0a3789a'>tests: Add &lt;system-test&gt; gexp compiler.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/tests.scm (compile-system-test): New gexp compiler.
</span></span></td><td>Ludovic Courtès</td></tr>