我已经安装了biopython，但是当我检查它时。 它没有返回模块
pip3 install biopython
Requirement already satisfied: biopython in
Requirement already satisfied: numpy in
python3
Python 3.7.4 (v3.7.4:e09359112e, Jul 8 2019, 14:54:52)
import Bio
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'Bio'