fix requirements

requirements.txt

@@ -23,6 +23,8 @@ django-timezone-field==5.0
 djangorestframework==3.14.0
 environs==9.5.0
 ez-setup==0.9
+gevent==22.10.2
+greenlet==2.0.2
 gunicorn==20.1.0
 idna==3.4
 imageio==2.25.1
@@ -55,3 +57,5 @@ urlparse3==1.1
 vine==5.0.0
 wcwidth==0.2.6
 whatever==0.7
+zope.event==4.6
+zope.interface==5.5.2