I am trying to create a `yocto` `recipe` for `scikit-learn` package. It depends 
on `scipy` pacakge. I was able to successfully build the `scipy` package using 
: https://github.com/gpanders/ meta-scipy ( 
https://github.com/gpanders/meta-scipy ).

When I run `bitbake python3-scikit-learn`, i am getting the below error:
`ModuleNotFoundError: No module named 'scipy'`

I am executing the commands in the below order.

Once I have cloned/copied the `scipy` recipes and the patches listed in the 
`meta-scipy`, i am running `bitbake python3-scipy` and the build was successful.

Then, I created a `recipe` file with the name ` python3-scikit-learn_0.23.2. bb 
( http://python3-scikit-learn_0.23.2.bb/ ) ` and the contents are as below.

```
PYPI_PACKAGE = "scikit-learn"

LICENSE = "BSD"
LIC_FILES_CHKSUM  = "file://PKG-INFO;beginline=8; endline=8;md5= 
40ee42dc5a49f1617c5c78f16c50e0 65"

SRC_URI[sha256sum] = " 20766f515e6cd6f954554387dfae70 
5d93c7b544ec0e6c6a5d8e006f6f7e f480"

inherit pypi setuptools3

#DEPENDS = "${PYTHON_PN}-numpy-native ${PYTHON_PN}-numpy ${PYTHON_PN}-scipy 
${PYTHON_PN}-joblib ${PYTHON_PN}"
DEPENDS = "${PYTHON_PN}-numpy-native ${PYTHON_PN}-numpy ${PYTHON_PN}-scipy 
${PYTHON_PN}"

RDEPENDS_${PN} += "${PYTHON_PN}-numpy ${PYTHON_PN}-scipy"
```

When I run the `bitbake python3-scikit-learn`, i am getting this 
`ModuleNotFoundError: No module named 'scipy'`

Checked the path where the `devshell python3` is looking 
(`poky/build/tmp-glibc/work/ aarch64-oe-linux/python3- 
scikit-learn/0.23.2-r0/recipe- sysroot-native/usr/lib/ 
python3.8/site-packages`), and i can only see the `numpy` package there, but 
`scipy` package is not there.

`ls` command output :
```easy_install.py
numpy
numpy-1.17.4-py3.8.egg-info
pkg_resources
__pycache__
README.txt
setuptools
setuptools-45.2.0-py3.8.egg- info
```

Can someone point me on how to include the `python3-scipy` package, so that it 
will be included/copied to the `devshell`. Or do I need to update/fix something 
else.

Appreciate any guidance on this.
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