bump mypy version to 1.9.0 (#38239)

.pre-commit-config.yaml

@@ -172,7 +172,7 @@ repos:
         entry: ./scripts/ci/pre_commit/pre_commit_update_common_sql_api_stubs.py
         language: python
         files: ^scripts/ci/pre_commit/pre_commit_update_common_sql_api\.py|^airflow/providers/common/sql/.*\.pyi?$
-        additional_dependencies: ['rich>=12.4.4', 'mypy==1.8.0', 'black==23.10.0', 'jinja2']
+        additional_dependencies: ['rich>=12.4.4', 'mypy==1.9.0', 'black==23.10.0', 'jinja2']
         pass_filenames: false
         require_serial: true
       - id: update-black-version

airflow/providers/apache/beam/operators/beam.py

@@ -415,7 +415,9 @@ async def execute_async(self, context: Context):
             # This means we can perform asynchronous operations with this file.
             create_tmp_file_call = gcs_hook.provide_file(object_url=self.py_file)
             tmp_gcs_file: IO[str] = await loop.run_in_executor(
-                None, contextlib.ExitStack().enter_context, create_tmp_file_call
+                None,
+                contextlib.ExitStack().enter_context,  # type: ignore[arg-type]
+                create_tmp_file_call,
             )
             self.py_file = tmp_gcs_file.name
 
@@ -612,7 +614,9 @@ async def execute_async(self, context: Context):
             # This means we can perform asynchronous operations with this file.
             create_tmp_file_call = gcs_hook.provide_file(object_url=self.jar)
             tmp_gcs_file: IO[str] = await loop.run_in_executor(
-                None, contextlib.ExitStack().enter_context, create_tmp_file_call
+                None,
+                contextlib.ExitStack().enter_context,  # type: ignore[arg-type]
+                create_tmp_file_call,
             )
             self.jar = tmp_gcs_file.name
 

airflow/providers/smtp/hooks/smtp.py

@@ -275,7 +275,8 @@ def _build_mime_message(
 
         msg = MIMEMultipart(mime_subtype)
         msg["Subject"] = subject
-        msg["From"] = mail_from
+        if mail_from:
+            msg["From"] = mail_from
         msg["To"] = ", ".join(to)
         recipients = to
         if cc:

airflow/utils/email.py

@@ -186,7 +186,8 @@ def build_mime_message(
 
     msg = MIMEMultipart(mime_subtype)
     msg["Subject"] = subject
-    msg["From"] = mail_from
+    if mail_from:
+        msg["From"] = mail_from
     msg["To"] = ", ".join(to)
     recipients = to
     if cc:

pyproject.toml

@@ -312,7 +312,7 @@ devel-mypy = [
     # TODO: upgrade to newer versions of MyPy continuously as they are released
     # Make sure to upgrade the mypy version in update-common-sql-api-stubs in .pre-commit-config.yaml
     # when you upgrade it here !!!!
-    "mypy==1.8.0",
+    "mypy==1.9.0",
     "types-Deprecated",
     "types-Markdown",
     "types-PyMySQL",