Credit risk modeling

Hi,

I am having problem while running the code in the credit risk modeling

loan_data['earliest_cr_line']

0         Jan-85
1         Apr-99
2          1-Nov
3         Feb-96
4         Jan-96
           ...  
466280     3-Apr
466281    Jun-97
466282     1-Dec
466283     3-Feb
466284    Feb-00
Name: earliest_cr_line, Length: 466285, dtype: object

loan_data['earliest_cr_line_date']= pd.to_datetime(loan_data['earliest_cr_line'], format = '%b-%y')
This above line of code gives error

ValueError: time data '1-Nov' does not match format '%b-%y' (match)

Where as when the instructor runs the above code, he doesn\'t get any error Please watch the video In general pre-processing part in that 2 nd video. The problem is , the instructor used the different data and the data provided to us is different, I have used the split data from drop box. Please provide us the data used by the instructor. Thanks.