diff --git a/archivebox/plugins_auth/ldap/apps.py b/archivebox/plugins_auth/ldap/apps.py
index 7117de0e..f6d8d51c 100644
--- a/archivebox/plugins_auth/ldap/apps.py
+++ b/archivebox/plugins_auth/ldap/apps.py
@@ -18,7 +18,7 @@ from .settings import LDAP_CONFIG, get_ldap_lib
 
 ###################### Config ##########################
 
-LDAP_LIB = lambda: get_ldap_lib()[0]
+LDAP_LIB = lambda: get_ldap_lib()[0]   # lazy load to avoid slow ldap lib import on startup
 
 
 class LdapBinary(BaseBinary):
@@ -28,12 +28,12 @@ class LdapBinary(BaseBinary):
 
     provider_overrides: Dict[BinProviderName, ProviderLookupDict] = {
         VENV_PIP_BINPROVIDER.name: {
-            "abspath": lambda: LDAP_LIB() and Path(inspect.getfile(LDAP_LIB())),
-            "version": lambda: LDAP_LIB() and SemVer(LDAP_LIB().__version__),
+            "abspath": lambda: LDAP_LIB() and Path(inspect.getfile(LDAP_LIB())),         # type: ignore
+            "version": lambda: LDAP_LIB() and SemVer(LDAP_LIB().__version__),            # type: ignore
         },
         SYS_PIP_BINPROVIDER.name: {
-            "abspath": lambda: LDAP_LIB() and Path(inspect.getfile(LDAP_LIB())),
-            "version": lambda: LDAP_LIB() and SemVer(LDAP_LIB().__version__),
+            "abspath": lambda: LDAP_LIB() and Path(inspect.getfile(LDAP_LIB())),         # type: ignore
+            "version": lambda: LDAP_LIB() and SemVer(LDAP_LIB().__version__),            # type: ignore
         },
     }
 
diff --git a/archivebox/plugins_auth/ldap/settings.py b/archivebox/plugins_auth/ldap/settings.py
index 36e5b1d9..094e1e9b 100644
--- a/archivebox/plugins_auth/ldap/settings.py
+++ b/archivebox/plugins_auth/ldap/settings.py
@@ -58,7 +58,7 @@ class LdapConfig(BaseConfigSet):
                 self.update_in_place(LDAP_ENABLED=False)
 
             # Check that all required LDAP config options are set
-            if self.self.LDAP_CONFIG_IS_SET:
+            if self.LDAP_CONFIG_IS_SET:
                 missing_config_options = [
                     key for key, value in self.model_dump().items()
                     if value is None and key != 'LDAP_ENABLED'