From 38e54e233706dd1cb38bfad789bf0a994cec21e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9A=D0=B8=D1=80=D0=B8=D0=BB=D0=BB=20=D0=92=D0=B5=D1=82?=
 =?UTF-8?q?=D1=80=D0=BE=D0=B2?= <vetrovk@gmail.com>
Date: Thu, 23 Jul 2026 09:21:23 +0300
Subject: [PATCH] Reset errors before suggestion reload

---
 mypy/suggestions.py        |  1 +
 test-data/unit/daemon.test | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/mypy/suggestions.py b/mypy/suggestions.py
index 39a220e34091e..f5dfd44d06a80 100644
--- a/mypy/suggestions.py
+++ b/mypy/suggestions.py
@@ -706,6 +706,7 @@ def try_type(self, func: FuncDef, typ: ProperType) -> list[str]:
     def reload(self, state: State) -> list[str]:
         """Recheck the module given by state."""
         assert state.path is not None
+        self.manager.errors.reset()
         self.fgmanager.flush_cache()
         return self.fgmanager.update([(state.id, state.path)], [])
 
diff --git a/test-data/unit/daemon.test b/test-data/unit/daemon.test
index 448af5d080029..3a1f0f3c21d5e 100644
--- a/test-data/unit/daemon.test
+++ b/test-data/unit/daemon.test
@@ -392,6 +392,31 @@ def bar() -> None:
     x = foo('abc')  # type: str
     foo(arg='xyz')
 
+[case testDaemonSuggestStdlibAfterMessage]
+$ dmypy start -- --follow-imports=error --no-error-summary
+Daemon started
+$ dmypy check main.py
+main.py:1: note: Revealed type is "Literal[1]?"
+$ dmypy suggest os.path.islink --callsites
+No suggestions
+$ dmypy status
+Daemon is up and running
+$ dmypy suggest os.path.isdir --callsites
+No suggestions
+$ dmypy check main.py
+main.py:1: note: Revealed type is "Literal[1]?"
+== Return code: 1
+$ {python} -c "import shutil; shutil.copy('main2.py', 'main.py')"
+$ dmypy check main.py
+main.py:1: note: Revealed type is "Literal[2]?"
+== Return code: 1
+$ dmypy stop
+Daemon stopped
+[file main.py]
+reveal_type(1)
+[file main2.py]
+reveal_type(2)
+
 [case testDaemonInspectCheck]
 $ dmypy start
 Daemon started