fix CI

Author: nychiang

.github/workflows/test_hiopbbpy.yml

@@ -23,12 +23,12 @@ jobs:
 
       - name: Install IPOPT via conda
         run: |
-          conda install -c conda-forge cyipopt
+          conda install -c conda-forge cyipopt pkg-config
           export LD_LIBRARY_PATH=$CONDA_PREFIX/lib:$LD_LIBRARY_PATH
-
+          
       - name: Install HiOpBBPy
         run: |
-          python -m pip install --upgrade pip
+          python -m pip install --upgrade pip 
           pip install .
 
       - name: Run Tests

setup.py

@@ -19,7 +19,7 @@
         license="BSD-3",
         packages=find_packages(where="src"),
         package_dir={"": "src"},
-        install_requires=["smt","cyipopt"],
+        install_requires=["smt"],
         python_requires=">=3.9",
         zip_safe=False,
         url="https://github.com/LLNL/hiop",