support python 3.9

larigira/main.py

@@ -126,7 +126,7 @@ def main():
         larigira.controller.q.put(dict(kind="signal", args=args))
 
     for signum in (signal.SIGHUP, signal.SIGALRM):
-        gevent.signal(signum, sig, signum)
+        gevent.signal_handler(signum, sig, signum)
     gevent.wait()
 
 

setup.py

@@ -44,7 +44,7 @@ setup(
         "Babel==2.6.0",
         "Flask-Babel==1.0.0",
         "pyxdg==0.26",
-        "gevent==1.4.0",
+        "gevent==20.9.0",
         "flask-bootstrap",
         "python-mpd2",
         "wtforms==2.2.1",
@@ -53,6 +53,8 @@ setup(
         "pytimeparse==1.1.8",
         "croniter==0.3.29",
         "werkzeug==0.14.1",
+        "Jinja2==3.0.1",
+        "itsdangerous==2.0.1",
         "cachelib==0.1",
         "tinydb==3.12.2",
         "lxml==4.5.1",