'find similar images
:param collection_id: valid collection id
:param image_file: image file to use for searching
:param limit: number of returned results (default is 10)
:return:
"similar_images":[
"image_id":"dresses_1257263",
"created":"2016-09-04T21:49:16.908Z",
"metadata":{
"weight":10,
"cut":"a line",
"color":"red"
"score":"0.79"
"image_file":"red_dress.jpg",
"images_processed": 1'

def find_similar(self, collection_id, image_file, limit=10):

    mime_type = (mimetypes.guess_type(image_file.name)[0] or 'application/octet-stream')
    return self.request(method='POST', url='/v3/collections/{0}/find_similar'.format(collection_id), params={'version': self.version, 'limit': limit}, files={'image_file': (image_file.name, image_file, mime_type)}, accept_json=True)
