diff --git a/django/contrib/gis/gdal/raster/band.py b/django/contrib/gis/gdal/raster/band.py
index 3f6c0a4140..b5aa5aa4df 100644
--- a/django/contrib/gis/gdal/raster/band.py
+++ b/django/contrib/gis/gdal/raster/band.py
@@ -121,7 +121,7 @@ class GDALBand(GDALBase):
             access_flag = 1
 
             # Instantiate ctypes array holding the input data
-            if isinstance(data, (bytes, six.memoryview, numpy.ndarray)):
+            if isinstance(data, (bytes, six.memoryview)) or (numpy and isinstance(data, numpy.ndarray)):
                 data_array = ctypes_array.from_buffer_copy(data)
             else:
                 data_array = ctypes_array(*data)
diff --git a/tests/gis_tests/gdal_tests/test_raster.py b/tests/gis_tests/gdal_tests/test_raster.py
index 301d1f7c99..1f4847959b 100644
--- a/tests/gis_tests/gdal_tests/test_raster.py
+++ b/tests/gis_tests/gdal_tests/test_raster.py
@@ -204,10 +204,10 @@ class GDALBandTests(unittest.TestCase):
         if numpy:
             numpy.testing.assert_equal(bandmem.data(), numpy.arange(100).reshape(10, 10))
         else:
-            self.assertEqual(bandmem.data(), range(100))
+            self.assertEqual(bandmem.data(), list(range(100)))
 
         # Prepare data for setting values in subsequent tests
-        block = range(100, 104)
+        block = list(range(100, 104))
         packed_block = struct.pack('<' + 'B B B B', *block)
 
         # Set data from list
@@ -267,4 +267,4 @@ class GDALBandTests(unittest.TestCase):
                 numpy.array(range(25)).reshape(5, 5)
             )
         else:
-            self.assertEqual(bandmemjson.data(), range(25))
+            self.assertEqual(bandmemjson.data(), list(range(25)))