diff --git a/make/py-topdir.mk b/make/py-topdir.mk
index 817a740b..4a298642 100644
--- a/make/py-topdir.mk
+++ b/make/py-topdir.mk
@@ -1,5 +1,4 @@
 TD_COPY_FILES               += pyproject.toml
-TD_GENERATE_FILES           += pyrightconfig.json
 
 PY_CHECK_EXCLUDE            ?=
 PY_SRC_ROOT                 += $(wildcard $(TOPDIR)/src $(TOPDIR)/tools)
@@ -12,6 +11,11 @@ ifndef PY_CHECK_YAPF
   PY_CHECK_YAPF             := $(firstword $(wildcard /usr/bin/yapf /usr/bin/yapf3))
 endif
 
+ifndef PY_CHECK_PYRIGHT
+  PY_CHECK_PYRIGHT          := $(shell which pyright 2>/dev/null)
+  TD_GENERATE_FILES         += pyrightconfig.json
+endif
+
 all:
 
 format: py-format
@@ -24,7 +28,9 @@ ifneq ($(PY_CHECK_RUFF),)
 	$(PY_CHECK_RUFF) check $(addprefix --exclude ,$(PY_CHECK_EXCLUDE)) $(PY_SRC_ROOT)
 endif
 	mypy $(addprefix --exclude ,$(PY_CHECK_EXCLUDE)) $(PY_SRC_ROOT)
+ifneq ($(PY_CHECK_PYRIGHT),)
 	pyright
+endif
 
 py-check-format:
 ifneq ($(PY_CHECK_YAPF),)