def create_tables(self):
    self.c.execute('CREATE TABLE barrier\n                (wafer text, chip text, structure text,\n                fm1_name text, fm1_thickness real,\n                fm2_name text, fm2_thickness real)')
    self.c.execute('CREATE TABLE shape\n                (wafer text, chip text, device text,\n                shape text, dim1 real, dim2 real)')
    self.c.execute('CREATE TABLE josephson\n                (wafer text, chip text, device text, temperature real,\n                ic_p real, ic_ap real, r_p real, r_ap real)')
def create_tables(self):
    self.c.execute('CREATE TABLE barrier\n                (wafer text, chip text, structure text,\n                fm1_name text, fm1_thickness real,\n                fm2_name text, fm2_thickness real)')
    self.c.execute('CREATE TABLE shape\n                (wafer text, chip text, device text,\n                shape text, dim1 real, dim2 real)')
    self.c.execute('CREATE TABLE josephson\n                (wafer text, chip text, device text, temperature real,\n                ic_p real, ic_ap real, r_p real, r_ap real)')