ERROR: pip's dependency resolver does not currently take into account all the packages that are installed
Try adding --use-deprecated=legacy-resolver after your pip install commands
for example:

!pip install -r
requirements.txt --use-deprecated=legacy-resolver
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
daal4py 2021.5.0 requires daal==2021.4.0, which is not installed.
mxnet 1.7.0.post2 requires numpy<1.17.0,>=1.8.2, but you have numpy 1.18.5 which is incompatible.
d2l 0.17.5 requires numpy==1.21.5, but you have numpy 1.18.5 which is incompatible.
d2l 0.17.5 requires requests==2.25.1, but you have requests 2.18.4 which is incompatible.