Pin in azure

Author: phofl

azure-pipelines.yml

@@ -42,7 +42,7 @@ jobs:
         /bin/bash -xc "cd pandas && \
         /opt/python/cp38-cp38/bin/python -m venv ~/virtualenvs/pandas-dev && \
         . ~/virtualenvs/pandas-dev/bin/activate && \
-        python -m pip install --no-deps -U pip wheel setuptools && \
+        python -m pip install --no-deps -U pip wheel "setuptools<60.0.0" && \
         pip install cython numpy python-dateutil pytz pytest pytest-xdist hypothesis pytest-azurepipelines && \
         python setup.py build_ext -q -j2 && \
         python -m pip install --no-build-isolation -e . && \