> for row in cus:
> print(row.budget_code)
>
>
> NameError: name 'budget_code' is not defined
You'll need to use a DictCursor to be able to access rows by name and not position (which IMO is the preferred way).
cus = conn.cursor(pymysql.cursors.DictCursor)
cus.execute("SELECT * FROM glbud ")
for row in cus:
print(row['budget_code'])