Simplified sqlite backend ImproperlyConfigured check now that we don't support Python 2.4

"""

SQLite3 backend for django.

Python 2.4 requires pysqlite2 (http://pysqlite.org/).

Python 2.5 and later can use a pysqlite2 module or the sqlite3 module in the

Works with either the pysqlite2 module or the sqlite3 module in the

standard library.

"""

    except ImportError, e1:

        from sqlite3 import dbapi2 as Database

except ImportError, exc:

    import sys

    from django.core.exceptions import ImproperlyConfigured

    if sys.version_info < (2, 5, 0):

        module = 'pysqlite2 module'

        exc = e1

    else:

        module = 'either pysqlite2 or sqlite3 modules (tried in that order)'

    raise ImproperlyConfigured("Error loading %s: %s" % (module, exc))

    raise ImproperlyConfigured("Error loading either pysqlite2 or sqlite3 modules (tried in that order): %s" % exc)

DatabaseError = Database.DatabaseError