From 6a200947fdd36f77a5e9ecd2ec2283834a2f3989 Mon Sep 17 00:00:00 2001
From: hauntsaninja <>
Date: Fri, 27 May 2022 20:34:10 -0700
Subject: [PATCH] stubtest: do not treat py files as source for mypy
 definitions

---
 mypy/stubtest.py          |  3 ++-
 mypy/test/teststubtest.py | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/mypy/stubtest.py b/mypy/stubtest.py
index c1bdcb3437a4..2c31b83ba0af 100644
--- a/mypy/stubtest.py
+++ b/mypy/stubtest.py
@@ -1274,7 +1274,8 @@ def build_stubs(modules: List[str], options: Options, find_submodules: bool = Fa
 
 def get_stub(module: str) -> Optional[nodes.MypyFile]:
     """Returns a stub object for the given module, if we've built one."""
-    return _all_stubs.get(module)
+    stub = _all_stubs.get(module)
+    return stub if stub and stub.is_stub else None
 
 
 def get_typeshed_stdlib_modules(
diff --git a/mypy/test/teststubtest.py b/mypy/test/teststubtest.py
index 50b3f90c8fad..726ef5bb1caf 100644
--- a/mypy/test/teststubtest.py
+++ b/mypy/test/teststubtest.py
@@ -1161,6 +1161,18 @@ def test_missing_stubs(self) -> None:
             test_stubs(parse_options(["not_a_module"]))
         assert "error: not_a_module failed to find stubs" in remove_color_code(output.getvalue())
 
+    def test_missing_only_stubs(self) -> None:
+        with use_tmp_dir(TEST_MODULE_NAME):
+            with open(f"{TEST_MODULE_NAME}.py", "w") as f:
+                f.write("a = 1")
+            output = io.StringIO()
+            with contextlib.redirect_stdout(output):
+                test_stubs(parse_options([TEST_MODULE_NAME]))
+            assert (
+                f"error: {TEST_MODULE_NAME} failed to find stubs"
+                in remove_color_code(output.getvalue())
+            )
+
     def test_get_typeshed_stdlib_modules(self) -> None:
         stdlib = mypy.stubtest.get_typeshed_stdlib_modules(None, (3, 6))
         assert "builtins" in stdlib