CI fix

.github/workflows/user_project_ci.yml

diff --git a/.github/workflows/user_project_ci.yml b/.github/workflows/user_project_ci.yml
index cafddbf..b3a817e 100644
--- a/.github/workflows/user_project_ci.yml
+++ b/.github/workflows/user_project_ci.yml
@@ -60,6 +60,9 @@
       - name: Export PDK ROOT
         run: |
           echo "PDK_ROOT=/usr/local/pdk" >> $GITHUB_ENV
+      
+      - name: Export PDKPATH
+         run: echo "PDKPATH=/usr/local/pdk/sky130A" >> $GITHUB_ENV
 
       - name: Download PDK Tarball
         uses: actions/download-artifact@v2