Low-Level-Error: Error loading MySQLdb module: libmysqlclient_r.so.15: cannot open shared object file: No such file or directory

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Have you installed PyLucid?

If not, follow the instruction here:
http://www.pylucid.org/Documentation/install-PyLucid/

Note:
If you will go into the _install section, you must temporaly
deactivate some middlewares in your settings.py:

Edit the MIDDLEWARE_CLASSES data and deactivate:
 - django.contrib.sessions.middleware.SessionMiddleware
 - django.contrib.auth.middleware.AuthenticationMiddleware

After 'syncdb' the needed tables created and you must activate the
middleware classes!

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Python v2.4.3 (#1, Jun 19 2008, 14:52:28) 
[GCC 3.4.6 20060404 (Red Hat 3.4.6-9)]
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Traceback (most recent call last):
  File "index.cgi", line 202, in ?
    runcgi()
  File "/home/hansing0/public_html/cgi_server.py", line 93, in runcgi
    result = application(environ, start_response)
  File "/home/hansing0/public_html/django/core/handlers/wsgi.py", line 195, in __call__
    self.load_middleware()
  File "/home/hansing0/public_html/django/core/handlers/base.py", line 34, in load_middleware
    mod = __import__(mw_module, {}, {}, [''])
  File "/home/hansing0/public_html/PyLucid/middlewares/pagestats.py", line 25, in ?
    from django.db import connection
  File "/home/hansing0/public_html/django/db/__init__.py", line 17, in ?
    backend = __import__('%s%s.base' % (_import_path, settings.DATABASE_ENGINE), {}, {}, [''])
  File "/home/hansing0/public_html/django/db/backends/mysql/base.py", line 12, in ?
    raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
ImproperlyConfigured: Error loading MySQLdb module: libmysqlclient_r.so.15: cannot open shared object file: No such file or directory