Pandas .replace() int by boolean

Question

I want to replace all 0s and 1s by True and False. I tried the below code but the data frame doesn't change.

import pandas as pd

d = {'A': [1, 1, 0, 1, 0, 1, 0],
     'B': [0, 0, 0, 0, 0, 1, 1]
     }
df = pd.DataFrame(data=d)

print(df)
print(df.dtypes)

print(df.replace(1, True).replace(0, False)) 
print(df.dtypes)

Console output:

   A  B
0  1  0
1  1  0
2  0  0
3  1  0
4  0  0
5  1  1
6  0  1

A    int64
B    int64
dtype: object

   A  B
0  1  0
1  1  0
2  0  0
3  1  0
4  0  0
5  1  1
6  0  1

A    int64
B    int64  
dtype: object