diff --git a/python_module/src/cpp/function_replace.cpp b/python_module/src/cpp/function_replace.cpp
index cbd59790..75571429 100644
--- a/python_module/src/cpp/function_replace.cpp
+++ b/python_module/src/cpp/function_replace.cpp
@@ -35,6 +35,7 @@ void throw_fork_cuda_exc() {
     // call chain:
     // python -> fork() -> pthread_atfork -> CudaCheckOnFork ->
     // ForkAfterCudaError::throw_
+    GILManager a;
     mgb_log_warn("try to raise python exception for fork after cuda");
     PyErr_SetString(PyExc_SystemError, "fork after cuda has been initialized");
 }
diff --git a/python_module/test/run.sh b/python_module/test/run.sh
index 1f601168..95729bb4 100755
--- a/python_module/test/run.sh
+++ b/python_module/test/run.sh
@@ -1,9 +1,13 @@
-#!/bin/bash
+#!/bin/bash -e
 
-cd $(dirname "${BASH_SOURCE[0]}")/..
-
-pytest -m 'not internet' \
-    --ignore test/pytorch_comparison \
-    --ignore test/integration/manual \
-    --ignore megengine/docs \
-    megengine test
+pushd $(dirname "${BASH_SOURCE[0]}")/.. >/dev/null
+    pytest -xv -m 'not internet'\
+        --ignore test/unit/module/test_pytorch.py \
+        --ignore test/pytorch_comparison \
+        --ignore test/unit/hub/test_hub.py \
+        --ignore test/unit/data \
+        --ignore test/integration/manual \
+        --ignore megengine/docs/ \
+        --ignore megengine/module/pytorch \
+        megengine test
+popd >/dev/null