prevent triggering foreign key constraints in import

nomen/settings.py

@@ -121,6 +121,8 @@ You may want to `{ctx.clean_prefix}nomen export` first"""
         }
 
         notifications = self.bot.get_cog("Notifications")
+        await ctx.bot.db.execute("INSERT OR IGNORE INTO users (user_id) VALUES(?)", (ctx.author.id,))
+        await ctx.bot.db.commit()
 
         try:
             await self.import_json(ctx, data)