def remove_member_from(self, leaderboard_name, member):
member_score = None or self.redis_connection.zscore(<EOL>leaderboard_name, member)<EOL>can_delete_score = member_score and len(<EOL>self.members_from_score_range_in(leaderboard_name, member_score, member_score)) == <NUM_LIT:1><EOL>pipeline = self.redis_connection.pipeline()<EOL>pipeline.zrem(leaderboard_name, member)<EOL>if can_delete_score:<EOL><INDENT>pipeline.zrem(self._ties_leaderboard_key(leaderboard_name),<EOL>str(float(member_score)))<EOL><DEDENT>pipeline.hdel(self._member_data_key(leaderboard_name), member)<EOL>pipeline.execute()<EOL>
Remove the optional member data for a given member in the named leaderboard.

@param leaderboard_name [String] Name of the leaderboard.
@param member [String] Member name.