backup/backup.py

@@ -61,12 +61,15 @@ class Backup(commands.Cog):
     @commands.is_owner()
     async def backup_import(self, ctx: commands.Context):
         """Import your installed repositories and cogs from an export file."""
-        if export is None and not len(ctx.message.attachments) == 0:
+        if not len(ctx.message.attachments) == 0:
             export = await ctx.message.attachments[0].read()
+        else:
+            await ctx.send(error("Please provide a valid JSON export file."))
+            return
         try:
             export = json.loads(export)
         except json.JSONDecodeError:
-            await ctx.send(error("Please provide a valid JSON export."))
+            await ctx.send(error("Please provide a valid JSON export file."))
             return
 
         downloader = ctx.bot.get_cog("Downloader")