Unable to connect to Teradata using sqlalchemy

Question

I'm trying to connect to Teradata using sqlalchemy as have to read sql using read_sql().

Code:

import pandas as pd
import numpy as np
import sqlalchemy 
import teradata
import sqlalchemy_teradata 

link = f'teradata://{username}:{password}@{hostname}/?logmech=LDAP'

connect = sqlalchemy.create_engine(link)

query_1 = "drop table TMP_WORK_DB.test1"
query_1_df = pd.read_sql(query_1, connect)

Error:

teradata.api.DatabaseError: (439, "[08001] [Teradata][socket error] (439) WSA E HostUnreach: The Teradata server can't currently be reached over this network, [Teradata][ODBC Teradata Driver] (27) Failed to log on.")

I have installed Teradata Database ODBC Driver 16.2.

Please help me with the same. Thanks in advance.