add test

tests/internal/test_module.py

@@ -605,3 +605,20 @@ def test_non_deprecated_python_version():
         check_supported_python_version()
         # Verify some things
         assert len(w) == 0
+
+
+def test_module_watchdog_no_interal_frames_in_import_exceptions(module_watchdog):
+    try:
+        import tests.submod.import_test  # noqa:F401
+    except ImportError as e:
+        import ddtrace.internal.module as m
+
+        sources = set()
+
+        tb = e.__traceback__
+        while tb is not None:
+            sources.add(Path(tb.tb_frame.f_code.co_filename).resolve())
+            tb = tb.tb_next
+
+        m_origin = origin(m)
+        assert m_origin is not None and m_origin not in sources

tests/submod/import_test.py

@@ -0,0 +1 @@
+from ddtrace import doesnotexist  # noqa