def convert_to_frame(input_serie):
    """
    Convert Pandas serie to Pandas dataframe and remove index
    Plus fix a timestamp after grouping by operation to have date plus time value
    :param1 input_serie: Pandas serie
    Return a Pandas dataframe
    """  
    input_serie = input_serie.to_frame()
    input_serie = input_serie.reset_index(level=["#timestamp"])
    input_serie["#timestamp"] = input_serie["#timestamp"] + " 00:00:00"
    return input_serie