melhorando testes e adicionando actix

FlaskAPI/controllers/image.py

@@ -11,10 +11,10 @@ def blur_image():
     image = request.get_data()
 
     if radius and image:
-        return send_file(image_service.box_blur_image(image, radius),
-                         mimetype='image/jpeg',
+        return send_file(io.BytesIO(image_service.box_blur_image(image, radius)),
+                         mimetype='image/png',
                          as_attachment=True,
-                         download_name='blurred_image.jpeg')
+                         download_name='blurred_image.png')
 
     return "Bad request", 400