Removed unused imports.

from django.contrib.gis.gdal.envelope import Envelope, OGREnvelope

from django.contrib.gis.gdal.error import OGRException, OGRIndexError, SRSException

from django.contrib.gis.gdal.geomtype import OGRGeomType

from django.contrib.gis.gdal.libgdal import GDAL_VERSION

from django.contrib.gis.gdal.srs import SpatialReference, CoordTransform

# Getting the ctypes prototype functions that interface w/the GDAL C library.

from ..import HAS_GEOS

if HAS_GEOS:

    from .. import GEOSGeometry, WKTReader, WKTWriter, WKBReader, WKBWriter, geos_version_info

    from .. import GEOSGeometry, WKTReader, WKTWriter, WKBReader, WKBWriter

@skipUnless(HAS_GEOS, "Geos is required.")

from unittest import skipUnless

from django.contrib.gis.geos import HAS_GEOS

from django.contrib.gis.tests.utils import HAS_SPATIAL_DB, mysql, oracle, no_mysql, no_oracle, no_spatialite

from django.contrib.gis.tests.utils import HAS_SPATIAL_DB, mysql, no_mysql, no_oracle, no_spatialite

from django.test import TestCase

if HAS_GEOS: