Change allow Python 3.9.4.

Change prevent use of Python 3.9.3 and alert users to upgrade to 3.9.4 due to a recall.

CHANGES.md

@@ -1,4 +1,10 @@
-### 0.23.15 (2021-04-03 10:05:00 UTC)
+### 0.23.16 (2021-04-05 23:45:00 UTC)
+
+* Change allow Python 3.9.4
+* Change prevent use of Python 3.9.3 and alert users to upgrade to 3.9.4 due to a recall
+
+
+### 0.23.15 (2021-04-03 10:05:00 UTC)
 
 * Change allow Python 3.8.9 and 3.9.3
 

gui/slick/interfaces/default/inc_top.tmpl

@@ -336,9 +336,13 @@
 #end if
 ##
 #set $py_ver = sys.version_info[:3]
-#if $py_ver in [(3, 8, 1), (3, 7, 6)]:
+#if $py_ver in [(3, 9, 3), (3, 8, 1), (3, 7, 6)]:
 	<div class="alert alert-danger upgrade-notification upgrade-py" role="alert">
-    #if (3, 8, 1) == $py_ver:
+    #if (3, 9, 3) == $py_ver:
+		<p>Your installed Python 3.9.3 has been <a href="<%= anon_url('https://bugs.python.org/issue43710') %>" onclick="window.open(this.href);return !1;">recalled</a> due to breakage with C extensions<br>
+			Please replace with Python <b>3.9.4</b>: <a href="<%= anon_url('https://www.python.org/downloads/') %>" onclick="window.open(this.href);return !1;">download here</a>
+		</p>
+    #elif (3, 8, 1) == $py_ver:
 		<p>Your installed Python 3.8.1 has a <a href="<%= anon_url('https://github.com/python/cpython/commit/ea316fd21527dec53e704a5b04833ac462ce3863') %>" onclick="window.open(this.href);return !1;">critical issue</a> affecting the parsing of URLs<br>
 			Please replace with Python <b>3.8.2</b>, <b>3.8.0</b>, or older: <a href="<%= anon_url('https://www.python.org/downloads/') %>" onclick="window.open(this.href);return !1;">download here</a>
 		</p>

sickgear.py

@@ -40,7 +40,8 @@ warnings.filterwarnings('ignore', module=r'.*ssl_.*', message='.*SSLContext obje
 warnings.filterwarnings('ignore', module=r'.*zoneinfo.*', message='.*file or directory.*')
 warnings.filterwarnings('ignore', message='.*deprecated in cryptography.*')
 
-versions = [((2, 7, 9), (2, 7, 18)), ((3, 7, 1), (3, 8, 9)), ((3, 9, 0), (3, 9, 3))]  # inclusive version ranges
+versions = [((2, 7, 9), (2, 7, 18)), ((3, 9, 0), (3, 9, 2)),
+            ((3, 7, 1), (3, 8, 9)), ((3, 9, 4), (3, 9, 4))]  # inclusive version ranges
 if not any(list(map(lambda v: v[0] <= sys.version_info[:3] <= v[1], versions))) and not int(os.environ.get('PYT', 0)):
     print('Python %s.%s.%s detected.' % sys.version_info[:3])
     print('Sorry, SickGear requires a Python version %s' % ', '.join(map(