try to work around classy install mess

CobayaSampler · Jul 28, 2023 · e102e42 · e102e42
1 parent b476d3b
commit e102e42
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -99,6 +99,7 @@ before_install:
     python -m pip install --upgrade pip setuptools wheel;
     pip install mpi4py pytest-forked pytest-cov flaky matplotlib dill coverage flake8;
     fi
+  - pip install "Cython<3"
   - python --version
 
 script: