revert: remove unnecessary Group.py checksum changes

Co-authored-by: Cursor <[email protected]>

Author: chao-peng-story

src/story_protocol_python_sdk/resources/Group.py

@@ -404,10 +404,6 @@ def register_group_and_attach_license_and_add_ips(
         :return dict: A dictionary with the transaction hash and group ID.
         """
         try:
-            # Convert addresses to checksum format for consistency
-            group_pool = self.web3.to_checksum_address(group_pool)
-            ip_ids = [self.web3.to_checksum_address(ip_id) for ip_id in ip_ids]
-
             if not self.web3.is_address(group_pool):
                 raise ValueError(f'Group pool address "{group_pool}" is invalid.')
 
@@ -565,11 +561,6 @@ def claim_rewards(
                 if not self.web3.is_address(ip_id):
                     raise ValueError(f"Invalid member IP ID: {ip_id}")
 
-            # Convert addresses to checksum format for consistency
-            group_ip_id = self.web3.to_checksum_address(group_ip_id)
-            currency_token = self.web3.to_checksum_address(currency_token)
-            member_ip_ids = [self.web3.to_checksum_address(ip_id) for ip_id in member_ip_ids]
-
             claim_reward_param = {
                 "groupIpId": group_ip_id,
                 "token": currency_token,