MAINT: 1.9.0rc1 setuptools pin.

Author: tylerjereddy

.travis.yml

@@ -151,7 +151,7 @@ before_install:
           CONTAINER=wheels;
           UPLOAD_ARGS="--no-update-index";
       fi
-    - BUILD_DEPENDS="wheel oldest-supported-numpy $CYTHON_BUILD_DEP $PYTHRAN_BUILD_DEP $PYBIND11_BUILD_DEP"
+    - BUILD_DEPENDS="wheel oldest-supported-numpy $CYTHON_BUILD_DEP $PYTHRAN_BUILD_DEP $PYBIND11_BUILD_DEP setuptools<60.0.0"
     - TEST_DEPENDS="oldest-supported-numpy pytest pytest-xdist pytest-faulthandler pytest-env"
     - source multibuild/common_utils.sh
     - source multibuild/travis_steps.sh

azure-posix.yml

@@ -60,8 +60,8 @@ jobs:
           set -ex
           echo building for commit "$BUILD_COMMIT"
 
-          pip install --upgrade virtualenv wheel setuptools
-          BUILD_DEPENDS="wheel oldest-supported-numpy Cython>=0.29.24 pybind11>=2.4.3 pythran"
+          pip install --upgrade virtualenv wheel
+          BUILD_DEPENDS="wheel oldest-supported-numpy Cython>=0.29.24 pybind11>=2.4.3 pythran setuptools<60.0.0"
 
           source multibuild/common_utils.sh
           source multibuild/travis_steps.sh