How to change cell value alignment in ipysheet sheet from a pandas dataframe

how can i change the alignment of an entire column or an individual cell in ipysheet ?

I tried :

for k,c in enumerate(sheet1.cells):    c.style['textAlign']='left'

but it doesnt work (might be deprecated).I was expecting the values in the cells to be displayed with the text starting on the left-most side of the cell, but nothing changed.

Thank you !