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Newbie needing some help

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I am trying to write a program that will loop through a text file and
delete rows in a mysql database.

It seemingly runs but I don't see anything getting deleted in the db.
Is there anything apparent that I am missing?

This is the code:
#!/usr/bin/python
import mysql.connector
#
f=open('/home/smithm/email-list.txt', 'r')
for line in f:
        #<do something with line>
        # Open database connection
        db = mysql.connector.connect(user="xx", password="xx",
host="localhost", database="xx")

        # prepare a cursor object using cursor() method
        cursor = db.cursor()

        # Prepare SQL query to DELETE required records
        sql = "DELETE FROM tblc_users WHERE user_email=%s, % (line)"
        try:
          # Execute the SQL command
          cursor.execute(sql)
          # Commit your changes in the database
          db.commit()
        except:
          # Rollback in case there is any error
          db.rollback()

        # disconnect from server
        db.close()

-- 
Matthew Smith

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Newbie needing some help Matt Smith <smithmm@tblc.org> - 2014-08-08 15:07 -0400
  Re: Newbie needing some help John Gordon <gordon@panix.com> - 2014-08-09 02:51 +0000
    Re: Newbie needing some help Chris Angelico <rosuav@gmail.com> - 2014-08-09 13:03 +1000

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