<p>需要您的帮助,我尝试在colab上安装chembl_webresource_客户端,它通常工作正常,但今天让我惊讶的是,在第一步就出现了错误</p>
<p>!!pip安装chembl_webresource_客户端#安装客户端</p>
<pre><code>from chembl_webresource_client.new_client import new_client # here is where is wrong
molecule = new_client.molecule
res = molecule.search('viagra')
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-7-19aed0e54aea> in <module>()
----> 1 from chembl_webresource_client.new_client import new_client
2 molecule = new_client.molecule
3 res = molecule.search('viagra')
4 frames
/usr/local/lib/python3.7/dist-packages/chembl_webresource_client/cache.py in <module>()
1 __author__ = 'mnowotka'
2
----> 3 from requests_cache.backends.base import BaseCache, hashlib, _to_bytes
4
5 def create_key(self, request):
ImportError: cannot import name 'hashlib' from 'requests_cache.backends.base' (/usr/local/lib/python3.7/dist-packages/requests_cache/backends/base.py)
---------------------------------------------------------------------------
NOTE: If your import is failing due to a missing package, you can
manually install dependencies using either !pip or !apt.
To view examples of installing some common dependencies, click the
"Open Examples" button below.
</code></pre>