BUG: now actually include _distributor_init.py in macOS arm64 wheel (#145)

This is a follow-up to gh-143

Author: rgommers

patch_code.sh

@@ -13,4 +13,5 @@ if [ -z "$IS_OSX" ]; then
     cat LICENSE_linux.txt >> $repo_dir/LICENSE.txt
 else
     cat LICENSE_osx.txt >> $repo_dir/LICENSE.txt
+    cp _distributor_init.py scipy/_distributor_init.py
 fi