backup/backup.py

@@ -61,14 +61,10 @@ 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 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:
+            export_raw = await ctx.message.attachments[0].read()
+            export = json.loads(export_raw)
+        except (json.JSONDecodeError, IndexError):
             await ctx.send(error("Please provide a valid JSON export file."))
             return