Test fix nft_svc

Reviewed-on: #4
Reviewed-by: gav <a@a.aa>

nft_svc/app.py

@@ -16,7 +16,7 @@ def open_image_as_array(path):
 
 
 def get_encoded_img(arr):
-    img = Image.fromarray(arr).convert("L")
+    img = Image.fromarray(arr)
     img_byte_arr = io.BytesIO()
     img.save(img_byte_arr, format='PNG')
     encoded_img = base64.encodebytes(img_byte_arr.getvalue()).decode('ascii')
@@ -26,13 +26,14 @@ def get_encoded_img(arr):
 @app.route('/getImage', methods=['GET'])
 def get_image():
     # print(random.choice(os.listdir(IMAGE_PATH)))
-    image = mpimg.imread(os.path.join(IMAGE_PATH, random.choice(os.listdir(IMAGE_PATH))))
+    file = os.path.join(IMAGE_PATH, random.choice(os.listdir(IMAGE_PATH)))
     # buffered = io.BytesIO()
     # image.save(buffered, format="JPEG")
     # img_str = base64.b64encode(buffered.getvalue())
+    image = base64.encodebytes(open(file, 'rb').read()).decode('ascii')
     return jsonify({
         "code": 0,
-        "image": get_encoded_img(image),
+        "image": image,
         "first_time": 1
     })