Fix preprocessing for batch image features

indicoio/images/features.py

@@ -59,5 +59,5 @@ def image_features(api_root, image, batch=False, auth=None, **kwargs):
     :type image: numpy.ndarray
     :rtype: List containing features
     """
-    image = image_preprocess(image)
+    image = image_preprocess(image, batch=batch)
     return api_handler(image, api_root + "imagefeatures", batch=batch, auth=auth, **kwargs)

indicoio/utils/__init__.py

@@ -120,11 +120,13 @@ def normalize(array, distribution=1, norm_range=(0, 1), **kwargs):
         return dict(zip(keys, norm_array))
     return norm_array
 
-def image_preprocess(image):
+def image_preprocess(image, batch=False):
     """
     Takes an image and prepares it for sending to the api including 
     resizing and image data/structure standardizing.
     """
+    if batch:
+        return [image_preprocess(img, batch=False) for img in image]
     if isinstance(image,list):
         image = np.asarray(image)
     if type(image).__module__ != np.__name__: