test python
diff --git a/.github/workflows/multi_tool.yaml b/.github/workflows/multi_tool.yaml
index 88717a7..67cfde4 100644
--- a/.github/workflows/multi_tool.yaml
+++ b/.github/workflows/multi_tool.yaml
@@ -14,12 +14,12 @@
     - name: checkout repo
       uses: actions/checkout@v2
 
-    # build pdk
-    - name: pdk & openlane & precheck
-      run: |
-        make setup
-        make precheck
-
+#    # build pdk
+#    - name: pdk & openlane & precheck
+#      run: |
+#        make setup
+#        make precheck
+#
     - name: multi tools
       run: |
         cd $HOME
@@ -34,22 +34,22 @@
     - run: pip install -r $HOME/multi_project_tools/requirements.txt
 
     # install riscv gcc
-    - name: riscv gcc
-      run: |
-        cd $HOME
-        wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14.tar.gz
-        tar -xzf riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14.tar.gz
+#    - name: riscv gcc
+#      run: |
+#        cd $HOME
+#        wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14.tar.gz
+#        tar -xzf riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14.tar.gz
 
-    # pwd
-    - name: pwd
-      run: |
-        pwd # /home/runner/work/zero_to_asic_mpw6/zero_to_asic_mpw6
+#    # pwd
+#    - name: pwd
+#      run: |
+#        pwd # /home/runner/work/zero_to_asic_mpw6/zero_to_asic_mpw6
 
-    # remove existing compressed gds
-    - name: remove compressed gds
-      run: | 
-        rm -f gds/*gz
-        find /home/runner/work/zero_to_asic_mpw7/zero_to_asic_mpw7/
+#    # remove existing compressed gds
+#    - name: remove compressed gds
+#      run: | 
+#        rm -f gds/*gz
+#        find /home/runner/work/zero_to_asic_mpw7/zero_to_asic_mpw7/
 
     # install oss fpga tools
     - name: install oss-cad-suite
@@ -59,6 +59,13 @@
     - run: | 
         yosys --version
         iverilog -V
+        which python3
+        which python
+        python3 -V
+        python -V
+        cocotb-config --libpython
+        cocotb-config --python-bin
+
 
     # fetch the repos
     - name: fetch all