def __init__(self):
    path = Path(__file__).parent
    self.filepath = path.joinpath('fixtures', 'equations.xlsx')
    self.equations_sheet = 'equations'
    self.column_mapping_sheet = 'col_var_mapping'
    self.data_sheet = 'values'
    self.mappings = None
    self.df = None
    self.equations_df = pd.DataFrame()
    self.equations = dict()
    self.lhs = None
    self.values = dict()
def __init__(self):
    path = Path(__file__).parent
    self.filepath = path.joinpath('fixtures', 'equations.xlsx')
    self.equations_sheet = 'equations'
    self.column_mapping_sheet = 'col_var_mapping'
    self.data_sheet = 'values'
    self.mappings = None
    self.df = None
    self.equations_df = pd.DataFrame()
    self.equations = dict()
    self.lhs = None
    self.values = dict()