python - TypeError: bad operand type for unary ~: float

Question

df = df[~df["column"].str.contains("Total")]

TypeError: bad operand type for unary ~: 'float'

Why does .str.contains() return a float? What should I be doing here?

Answer 1

I think there are NaNs values, so need specify parameter na:

df = pd.DataFrame({
    'column': ['Total','a',np.nan],
    'B': list(range(3))
})
print (df)
  column  B
0  Total  0
1      a  1
2    NaN  2

df = df[~df["column"].str.contains("Total", na=False)]
print (df)
  column  B
1      a  1
2    NaN  2