From 641e9aa549fcf963fdb6fcddf94569b25bc4700a Mon Sep 17 00:00:00 2001
From: Martin Kersner <martin@bisonai.com>
Date: Fri, 26 Jul 2024 12:46:23 +0900
Subject: [PATCH] fix: missing import

---
 datamaxi/datamaxi/ticker.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/datamaxi/datamaxi/ticker.py b/datamaxi/datamaxi/ticker.py
index 07da222..bbc2031 100644
--- a/datamaxi/datamaxi/ticker.py
+++ b/datamaxi/datamaxi/ticker.py
@@ -2,6 +2,7 @@
 import pandas as pd
 from datamaxi.api import API
 from datamaxi.lib.utils import check_required_parameters
+from datamaxi.lib.utils import check_required_parameter
 from datamaxi.datamaxi.utils import convert_data_to_data_frame
 
 
@@ -60,7 +61,7 @@ def get(
         else:
             return res
 
-    def exchanges(self, exchange: str) -> List[str]:
+    def exchanges(self) -> List[str]:
         """Fetch supported exchanges accepted by
         [datamaxi.Ticker.get](./#datamaxi.datamaxi.Ticker.get)
         API.