diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 03209406d..b8d99389b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -266,7 +266,8 @@ jobs:
 
       - name: Configure python3
         run: |
-          sudo ./configure python --config=python3-config
+          sudo ./configure python --config=${Python_ROOT_DIR}/bin/python3-config --lib-path=$LD_LIBRARY_PATH
+          cat build/include/nxt_python3_mounts.h
         if: steps.metadata.outputs.module == 'python'
 
       - name: Make python3
@@ -351,10 +352,10 @@ jobs:
           namei -l ${{ github.workspace }}
 
       # Install python3 if not present
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3'
-        if: steps.metadata.outputs.module != 'wasm'
+#      - uses: actions/setup-python@v5
+#        with:
+#          python-version: '3'
+#        if: steps.metadata.outputs.module != 'wasm'
 
       - name: Install pytest
         run: |
diff --git a/src/nxt_isolation.c b/src/nxt_isolation.c
index 909a43f4b..194d7be3f 100644
--- a/src/nxt_isolation.c
+++ b/src/nxt_isolation.c
@@ -790,6 +790,9 @@ nxt_isolation_prepare_rootfs(nxt_task_t *task, nxt_process_t *process)
         if (nxt_slow_path(ret != NXT_OK)) {
             goto undo;
         }
+
+        printf("%s: mounted [%s] -> [%s]\n", __func__,
+               (const char *)mnt[i].src, (const char *)dst);
     }
 
     return NXT_OK;
diff --git a/test/python/ns_inspect/wsgi.py b/test/python/ns_inspect/wsgi.py
index fa1222e4f..a07b7e822 100644
--- a/test/python/ns_inspect/wsgi.py
+++ b/test/python/ns_inspect/wsgi.py
@@ -1,5 +1,6 @@
 import json
 import os
+import sys
 
 try:
     # Python 3
@@ -10,6 +11,9 @@
 
 
 def application(environ, start_response):
+    print("pwd:", os.getcwd())
+    print("sys.path:\n", sys.path, file=sys.stdout)
+
     ret = {
         'FileExists': False,
     }