Update action.yml

Author: lithomas1

.github/actions/build_pandas/action.yml

@@ -27,15 +27,11 @@ runs:
 
     - name: Build Pandas
       run: |
-        SETUP_ARGS=""
-        if [[ ${{ inputs.werror }} == "true" ]]; then
-          SETUP_ARGS="--werror"
-        fi
         if [[ ${{ inputs.editable }} == "true" ]]; then
           pip install -e . --no-build-isolation -v --no-deps \
-            -Csetup-args=$SETUP_ARGS
+            ${{ inputs.werror == 'true' && '-Csetup-args="--werror"' || '' }}
         else
           pip install . --no-build-isolation -v --no-deps \
-            -Csetup-args=$SETUP_ARGS
+            ${{ inputs.werror == 'true' && '-Csetup-args="--werror"' || '' }}
         fi
       shell: bash -el {0}