diff --git a/README.rst b/README.rst
index 80e0e75..bb3bb00 100644
--- a/README.rst
+++ b/README.rst
@@ -88,6 +88,7 @@ class:
 
     from django.db import models
     from imagekit.models import ProcessedImageField
+    from imagekit.processors import ResizeToFill
 
     class Profile(models.Model):
         avatar_thumbnail = ProcessedImageField(upload_to='avatars',
diff --git a/imagekit/cachefiles/backends.py b/imagekit/cachefiles/backends.py
index 8949856..5e7025a 100644
--- a/imagekit/cachefiles/backends.py
+++ b/imagekit/cachefiles/backends.py
@@ -96,6 +96,7 @@ class CachedFileBackend(object):
             self.set_state(file, CacheFileState.GENERATING)
             file._generate()
             self.set_state(file, CacheFileState.EXISTS)
+            file.close()
 
 
 class Simple(CachedFileBackend):
diff --git a/imagekit/pkgmeta.py b/imagekit/pkgmeta.py
index a702f9c..a7e84c8 100644
--- a/imagekit/pkgmeta.py
+++ b/imagekit/pkgmeta.py
@@ -1,5 +1,5 @@
 __title__ = 'django-imagekit'
 __author__ = 'Matthew Tretter, Eric Eldredge, Bryan Veloso, Greg Newman, Chris Drackett, Justin Driscoll'
-__version__ = '3.2.6'
+__version__ = '3.2.7'
 __license__ = 'BSD'
 __all__ = ['__title__', '__author__', '__version__', '__license__']
diff --git a/imagekit/specs/__init__.py b/imagekit/specs/__init__.py
index 054f3fd..829dce1 100644
--- a/imagekit/specs/__init__.py
+++ b/imagekit/specs/__init__.py
@@ -153,9 +153,11 @@ class ImageSpec(BaseImageSpec):
             self.source.open()
             img = open_image(self.source)
 
-        return process_image(img, processors=self.processors,
-                             format=self.format, autoconvert=self.autoconvert,
-                             options=self.options)
+        new_image =  process_image(img, processors=self.processors,
+                                   format=self.format, autoconvert=self.autoconvert,
+                                   options=self.options)
+        self.source.close()
+        return new_image
 
 
 def create_spec_class(class_attrs):
diff --git a/setup.py b/setup.py
index 8f60701..4406e49 100644
--- a/setup.py
+++ b/setup.py
@@ -44,9 +44,9 @@ setup(
     include_package_data=True,
     tests_require=[
         'beautifulsoup4==4.1.3',
-        'nose==1.3.0',
-        'nose-progressive==1.5',
-        'django-nose==1.2',
+        'nose>=1.3.6,<1.4',
+        'nose-progressive==1.5.1',
+        'django-nose>=1.2,<=1.4',
         'Pillow<3.0',
         'mock==1.0.1',
     ],
@@ -67,10 +67,13 @@ setup(
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.2',
         'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
         'Topic :: Utilities'
     ],
 )
diff --git a/tests/settings.py b/tests/settings.py
index 01b93a2..0c51989 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -34,7 +34,6 @@ INSTALLED_APPS = [
 TEST_RUNNER = 'django_nose.NoseTestSuiteRunner'
 NOSE_ARGS = [
     '-s',
-    '--with-progressive',
 
     # When the tests are run --with-coverage, these args configure coverage
     # reporting (requires coverage to be installed).
@@ -45,6 +44,9 @@ NOSE_ARGS = [
     '--cover-html-dir=%s' % os.path.join(BASE_PATH, 'cover')
 ]
 
+if os.getenv('TERM'):
+    NOSE_ARGS.append('--with-progressive')
+
 DEBUG = True
 TEMPLATE_DEBUG = DEBUG
 CACHE_BACKEND = 'locmem://'
diff --git a/tests/test_fields.py b/tests/test_fields.py
index df513ee..6afb6cf 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -26,6 +26,7 @@ def test_form_processedimagefield():
 
         class Meta:
             model = ImageModel
+            fields = 'image',
 
     upload_file = get_image_file()
     file_dict = {'image': SimpleUploadedFile('abc.jpg', upload_file.read())}
diff --git a/tox.ini b/tox.ini
index 13cb6e4..1c60ca2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,43 @@
 [tox]
 envlist =
-    py33-django16, py33-django15,
-    py32-django16, py32-django15,
-    py27-django16, py27-django15, py27-django14, py27-django13, py27-django12,
+    py34-django18, py34-django17, py34-django16,
+    py33-django18, py33-django17, py33-django16, py33-django15,
+    py32-django18, py32-django17, py32-django16, py32-django15,
+    py27-django18, py27-django17, py27-django16, py27-django15, py27-django14, py27-django13, py27-django12,
     py26-django15, py26-django14, py26-django13, py26-django12
 
 [testenv]
 commands = python setup.py test
 
+[testenv:py34-django18]
+basepython = python3.4
+deps =
+    Django>=1.8,<1.9
+    django-nose==1.4
+
+[testenv:py34-django17]
+basepython = python3.4
+deps =
+    Django>=1.7,<1.8
+    django-nose==1.4
+
+[testenv:py34-django16]
+basepython = python3.4
+deps =
+    Django>=1.6,<1.7
+
+[testenv:py33-django18]
+basepython = python3.3
+deps =
+    Django>=1.8,<1.9
+    django-nose==1.4
+
+[testenv:py33-django17]
+basepython = python3.3
+deps =
+    Django>=1.7,<1.8
+    django-nose==1.4
+
 [testenv:py33-django16]
 basepython = python3.3
 deps =
@@ -18,6 +48,18 @@ basepython = python3.3
 deps =
     Django>=1.5,<1.6
 
+[testenv:py32-django18]
+basepython = python3.4
+deps =
+    Django>=1.8,<1.9
+    django-nose==1.4
+
+[testenv:py32-django17]
+basepython = python3.4
+deps =
+    Django>=1.7,<1.8
+    django-nose==1.4
+
 [testenv:py32-django16]
 basepython = python3.2
 deps =
@@ -28,6 +70,18 @@ basepython = python3.2
 deps =
     Django>=1.5,<1.6
 
+[testenv:py27-django18]
+basepython = python2.7
+deps =
+    Django>=1.8,<1.9
+    django-nose==1.4
+
+[testenv:py27-django17]
+basepython = python2.7
+deps =
+    Django>=1.7,<1.8
+    django-nose==1.4
+
 [testenv:py27-django16]
 basepython = python2.7
 deps =
@@ -47,11 +101,13 @@ deps =
 basepython = python2.7
 deps =
     Django>=1.3,<1.4
+    django-nose==1.2
 
 [testenv:py27-django12]
 basepython = python2.7
 deps =
     Django>=1.2,<1.3
+    django-nose==1.2
 
 [testenv:py26-django15]
 basepython = python2.6
@@ -67,8 +123,10 @@ deps =
 basepython = python2.6
 deps =
     Django>=1.3,<1.4
+    django-nose==1.2
 
 [testenv:py26-django12]
 basepython = python2.6
 deps =
     Django>=1.2,<1.3
+    django-nose==1.2