diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6be222c..5caf4ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,22 +21,12 @@ jobs:
           - '3.11'
           - '3.12'
 
-    services:
-      ldap:
-        image: osixia/openldap:latest
-        ports:
-          - 389:389
-        env:
-          LDAP_SEED_INTERNAL_SCHEMA_PATH: "${CI_PROJECT_DIR}/misc/schema"
-          LDAP_DOMAIN: services.sram.tld
-          LDAP_ADMIN_USERNAME: admin
-          LDAP_ADMIN_PASSWORD: secret
-          LDAP_CONFIG_PASSWORD: config
-          LDAP_BASE_DN: dc=services,dc=sram,dc=tld
-          LDAP_TLS: true
-
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Start LDAP container
+        run: ./run-ldapci.sh
 
       - name: Install dependencies
         run: sudo apt-get update && sudo apt-get install -y libsasl2-dev libldap2-dev ldap-utils
@@ -60,11 +50,12 @@ jobs:
         run: >
           sleep 5;
           ldapwhoami -H ${LDAP_URL} -D ${LDAP_BIND_DN} -w ${LDAP_ADMIN_PASSWORD};
+          ldapwhoami -H ${LDAP_URL} -D cn=admin,cn=config -w ${LDAP_CONFIG_PASSWORD};
           for f in access eduPerson voPerson groupOfMembers config;
           do
-            ldapadd -H ${LDAP_URL}
-                    -D cn=admin,cn=config
-                    -w ${LDAP_CONFIG_PASSWORD}
+            ldapadd -H ${LDAP_URL} \
+                    -D cn=admin,cn=config \
+                    -w ${LDAP_CONFIG_PASSWORD} \
                     -f etc/ldif/$f.ldif;
           done;
         env:
@@ -95,5 +86,14 @@ jobs:
           LDAP_URL: ldap://localhost:389
           LDAP_BASE_DN: dc=services,dc=sram,dc=tld
 
+      # Setup tmate session
+      - name: Setup tmate session
+        env:
+          ACTIONS_STEP_DEBUG: ${{ secrets.ACTIONS_STEP_DEBUG}}
+        if: ${{ failure() && env.ACTIONS_STEP_DEBUG == 'true' }}
+        uses: mxschmitt/action-tmate@v3
+        with:
+          limit-access-to-actor: true
+        timeout-minutes: 60
 
 
diff --git a/misc/schema/sramPerson.ldif b/misc/schema/sramPerson.ldif
index af7996b..e194381 100644
--- a/misc/schema/sramPerson.ldif
+++ b/misc/schema/sramPerson.ldif
@@ -1,39 +1,23 @@
 # Internet X.500 Schema for Ldappc
-# Includes the sczGroup ObjectClass schema
+# Includes the sramPerson ObjectClass schema
 #
-# An auxiliary object class, "sczGroup," is a convenient container
-# for an extensible set of attributes concerning group memberships.
+# An auxiliary object class, "sramPerson," is a convenient container
+# for an extensible set of attributes concerning sram persons.
 # At this time, the only attribute specified as belonging to the
-# object class is "sczMember."
-#
-# It is specifically configured to support the memberOf overlay.
-#
+# object class is "sramInactiveDays".
 #
 dn: cn=sramPerson,cn=schema,cn=config
 objectClass: olcSchemaConfig
 cn: sramPerson
-olcAttributeTypes: ( 1.3.6.1.4.1.1076.20.100.20.2.1 NAME 'sramLastActivityDate'
-  DESC 'Date when this entity was last active'
-  EQUALITY generalizedTimeMatch
-  ORDERING generalizedTimeOrderingMatch
-  SYNTAX 1.3.6.1.4.1.1466.115.121.1.24
-  )
-olcAttributeTypes: ( 1.3.6.1.4.1.1076.20.100.20.2.2 NAME 'sramAUPacceptedURI'
-  DESC 'URI of accepted AUP'
-  EQUALITY  caseExactMatch
-  SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
-  )
-olcAttributeTypes: ( 1.3.6.1.4.1.1076.20.100.20.2.3 NAME 'sramAUPacceptedDate'
-  DESC 'Date when the AUP was accepted'
-  EQUALITY generalizedTimeMatch
-  ORDERING generalizedTimeOrderingMatch
-  SYNTAX 1.3.6.1.4.1.1466.115.121.1.24
+olcAttributeTypes: ( 1.3.6.1.4.1.1076.20.100.20.2.1 NAME 'sramInactiveDays'
+  DESC 'Number of days this entity was inactive'
+  EQUALITY IntegerMatch
+  ORDERING IntegerOrderingMatch
+  SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
   )
 olcObjectClasses: ( 1.3.6.1.4.1.1076.20.100.20.1.1 NAME 'sramPerson'
   AUXILIARY
   MAY (
-    sramLastActivityDate $
-    sramAUPacceptedURI $
-    sramAUPacceptedDate
+    sramInactiveDays
     )
   )
diff --git a/plsc_ordered.py b/plsc_ordered.py
index ff23629..dc52b52 100755
--- a/plsc_ordered.py
+++ b/plsc_ordered.py
@@ -100,7 +100,7 @@ def res(days, interval):
 
     # clean up the lists, such that we return empty lists if no attribute is present, rather than [None]
     for key, val in record.items():
-        record[key] = list(filter(None, record[key]))
+        record[key] = list(filter(lambda n: n is not None, val))
 
     rdn = f"uid={username}"
 
diff --git a/run-ldapci.sh b/run-ldapci.sh
new file mode 100755
index 0000000..7719590
--- /dev/null
+++ b/run-ldapci.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+docker rm ldap || true
+docker run -d \
+    -e "LDAP_SEED_INTERNAL_SCHEMA_PATH=/opt/misc/schema" \
+    -e "LDAP_DOMAIN=services.sram.tld" \
+    -e "LDAP_ADMIN_USERNAME=admin" \
+    -e "LDAP_ADMIN_PASSWORD=secret" \
+    -e "LDAP_CONFIG_PASSWORD=config" \
+    -e "LDAP_BASE_DN=dc=services,dc=sram,dc=tld" \
+    -e "LDAP_TLS=true" \
+    -v "./misc/schema:/opt/misc/schema" \
+    -p 389:389 \
+    --name ldap \
+    osixia/openldap:latest