diff --git a/kontor-scripts/config.py b/kontor-scripts/config.py
index d8f5195..80a268b 100644
--- a/kontor-scripts/config.py
+++ b/kontor-scripts/config.py
@@ -2,7 +2,6 @@
 Setup database connections
 """
 import sqlite3
-import mariadb
 import psycopg2
 import logging.config
 from platformdirs import PlatformDirs
@@ -19,13 +18,6 @@ def get_database_cursors(log, config: str):
     log.info('using SQLite3 database {}'.format(sqlite_db))
     sqlite_conn = sqlite3.connect(sqlite_db, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES)
     mariadb_conn = None
-#    mariadb_conn = mariadb.connect(
-#        host=db_config['mariadb']['host'],
-#        port=db_config['mariadb']['port'],
-#        user=db_config['mariadb']['user'],
-#        password=db_config['mariadb']['password'],
-#        database=db_config['mariadb']['database']
-#    )
     postgres_conn = psycopg2.connect(f"host={db_config['postgres']['host']} port={db_config['postgres']['port']} user={db_config['postgres']['user']} password={db_config['postgres']['password']} dbname={db_config['postgres']['database']}")
     return sqlite_conn, mariadb_conn, postgres_conn
 
@@ -62,60 +54,3 @@ def get_logger(level, config: str):
                 logger.setLevel(logging.INFO)
     return logger
 
-
-def get_meta_data(mariadb_conn):
-    mariadb_cursor = mariadb_conn.cursor()
-    select_statement = "SELECT id, table_name FROM meta_data_table"
-    mariadb_cursor.execute(select_statement)
-    rows = mariadb_cursor.fetchall()
-    meta_data = {}
-    for (identifier, table_name) in rows:
-        table_data = {"name": table_name}
-        mariadb_cursor.execute("SELECT column_name, column_sync_name, column_type, column_modifier, column_order FROM meta_data_column WHERE table_id=?", (identifier, ))
-        column_rows = mariadb_cursor.fetchall()
-        column_list = []
-        for (column_name, column_sync_name, column_type, column_modifier, column_order) in column_rows:
-            column_data = {"column_name": column_name, "column_sync_name": column_sync_name, "column_type": column_type,
-                           "column_modifier": column_modifier, "column_order": column_order}
-            column_list.append(column_data)
-        # logger.info(column_list)
-        table_data["columns"] = column_list
-        meta_data[identifier] = table_data
-    return meta_data
-
-
-def get_scripts(meta_data, logger):
-    scripts_map = {}
-    for table_id in meta_data:
-        table_scripts = {}
-        m_columns = []
-        s_columns = []
-        columns = []
-        for column_data in meta_data[table_id]["columns"]:
-            column_line = "{} {}".format(column_data["column_sync_name"], column_data["column_type"])
-            if column_data["column_modifier"]:
-                column_line += " " + column_data["column_modifier"]
-            columns.append(column_line)
-            m_columns.append(column_data['column_name'])
-            s_columns.append(column_data['column_sync_name'])
-        table_name = meta_data[table_id]["name"]
-        create_statement = "CREATE TABLE IF NOT EXISTS {} ({});".format(table_name, ", ".join(columns))
-        drop_statement = 'DROP TABLE IF EXISTS {}'.format(table_name)
-        select_mariadb_statement = 'SELECT {} FROM {}'.format(', '.join(m_columns), table_name)
-        select_sqlite_statement = 'SELECT {} FROM {}'.format(', '.join(s_columns), table_name)
-        insert_sqlite_statement = 'INSERT INTO {}({}) VALUES({})'.format(table_name, ', '.join(s_columns), ', '.join(['?']*len(s_columns)))
-        insert_mariadb_statement = 'INSERT INTO {}({}) VALUES({})'.format(table_name, ', '.join(m_columns), ', '.join(['?']*len(m_columns)))
-        truncate_mariadb_statement = 'TRUNCATE {}'.format(table_name)
-        #logger.debug(create_statement)
-        #logger.debug(select_mariadb_statement)
-        table_scripts["create"] = create_statement
-        table_scripts["drop"] = drop_statement
-        table_scripts["select_mariadb"] = select_mariadb_statement
-        table_scripts["select_sqlite"] = select_sqlite_statement
-        table_scripts["insert_sqlite"] = insert_sqlite_statement
-        table_scripts["insert_mariadb"] = insert_mariadb_statement
-        table_scripts["truncate_mariadb"] = truncate_mariadb_statement
-        table_scripts["count"] = "SELECT COUNT(*) FROM {}".format(table_name)
-        table_scripts["name"] = table_name
-        scripts_map[table_id] = table_scripts
-    return scripts_map
diff --git a/kontor-scripts/db/models/comic.py b/kontor-scripts/db/models/comic.py
index 07da295..f8bc034 100644
--- a/kontor-scripts/db/models/comic.py
+++ b/kontor-scripts/db/models/comic.py
@@ -203,7 +203,10 @@ class Issue(Base, BaseMixin):
         self.version = import_data['version']
         self.issue_number = import_data['issue_number']
         self.title = import_data['title']
-        self.published_on = import_data['published_on']
+        if import_data['published_on'] == 'None':
+            self.published_on = None
+        else:
+            self.published_on = import_data['published_on']
         self.in_stock = import_data['in_stock']
         self.is_read = import_data['is_read']
         self.comic_id = import_data['comic_id']