Unable to get the grades after successful submission

I have submitted the assignment successfully but its not giving me grades and says "please submit your assignment’. I tried all the steps provided in the help center but in vain.

Please help me.

Course: Sequences, Time Series and Prediction (course 4 of TensorFlow Developer Professional Certificate)


File path: /notebooks/C4W2_Assignment.ipynb

Lab ID: jwydqavs

Dear @sbskp,
Thank you for notifying us. It seems that there is a problem with the grading system, right now.
The DeepLearning.AI team is investigating the issue, sorry for the inconvenience.


Same is happening for me.