Merge pull request #11089 from boegel/20200811151828_new_pr_scikit-learn0231

install scikit-learn 0.23.1 as a bundle and include required threadpoolctl extension

Author: smoors

easybuild/easyconfigs/s/scikit-learn/scikit-learn-0.23.1-foss-2020a-Python-3.8.2.eb

@@ -1,4 +1,4 @@
-easyblock = 'PythonPackage'
+easyblock = 'PythonBundle'
 
 name = 'scikit-learn'
 version = '0.23.1'
@@ -12,19 +12,34 @@ It strives to be simple and efficient, accessible to everybody, and reusable in
 
 toolchain = {'name': 'foss', 'version': '2020a'}
 
-source_urls = [PYPI_SOURCE]
-sources = [SOURCE_TAR_GZ]
-checksums = ['e3fec1c8831f8f93ad85581ca29ca1bb88e2da377fb097cf8322aa89c21bc9b8']
-
 dependencies = [
     ('Python', '3.8.2'),
     ('SciPy-bundle', '2020.03', versionsuffix)
 ]
 
-download_dep_fail = True
 use_pip = True
 
-options = {'modulename': 'sklearn'}
+exts_default_options = {'source_urls': [PYPI_SOURCE]}
+
+exts_list = [
+    ('pytoml', '0.1.21', {
+        'checksums': ['8eecf7c8d0adcff3b375b09fe403407aa9b645c499e5ab8cac670ac4a35f61e7'],
+    }),
+    ('flit-core', '2.3.0', {
+        'source_tmpl': 'flit_core-%(version)s.tar.gz',
+        'checksums': ['a50bcd8bf5785e3a7d95434244f30ba693e794c5204ac1ee908fc07c4acdbf80'],
+    }),
+    ('flit', '2.3.0', {
+        'checksums': ['017012b809ec489918afd68af7a70bd7c8c770c87b60159d875c126866e97a4b'],
+    }),
+    ('threadpoolctl', '2.1.0', {
+        'checksums': ['ddc57c96a38beb63db45d6c159b5ab07b6bced12c45a1f07b2b92f272aebfa6b'],
+    }),
+    (name, version, {
+        'modulename': 'sklearn',
+        'checksums': ['e3fec1c8831f8f93ad85581ca29ca1bb88e2da377fb097cf8322aa89c21bc9b8'],
+    }),
+]
 
 sanity_pip_check = True