Fix SSL-cert issue

redmine_reporter/client.py

@@ -12,7 +12,8 @@ def fetch_issues_by_time_entries(from_date: str, to_date: str) -> Optional[List[
     redmine = Redmine(
         Config.REDMINE_URL,
         username=Config.REDMINE_USER,
-        password=Config.REDMINE_PASSWORD
+        password=Config.REDMINE_PASSWORD,
+        requests={'verify': '/etc/ssl/certs/ca-certificates.crt'}
     )
 
     current_user = redmine.user.get('current')