Add convert

changedetectionio/model/Watch.py

@@ -320,7 +320,7 @@ class model(dict):
             from PIL import Image
             im = Image.open(fname)
             img_byte_arr = io.BytesIO()
-            im.save(img_byte_arr, format='JPEG', quality=int(os.getenv("NOTIFICATION_SCREENSHOT_JPG_QUALITY", 75)))
+            im.convert('RGB').save(img_byte_arr, format='JPEG', quality=int(os.getenv("NOTIFICATION_SCREENSHOT_JPG_QUALITY", 75)))
             return img_byte_arr.getvalue()
 
         # False is not an option for AppRise, must be type None

changedetectionio/tests/test_notification.py

@@ -163,6 +163,7 @@ def test_check_notification(client, live_server):
 
     # Check the attachment was added, and that it is a JPEG from the original PNG
     notification_submission_object = json.loads(notification_submission)
+    # We actually convert the PNG to JPEG and send it
     assert notification_submission_object['attachments'][0]['filename'] == 'last-screenshot.jpg'
     assert len(notification_submission_object['attachments'][0]['base64'])
     assert notification_submission_object['attachments'][0]['mimetype'] == 'image/jpeg'