Add all the email __all__s (#7304)

stdlib/email/mime/application.pyi

@@ -2,6 +2,8 @@ from email.mime.nonmultipart import MIMENonMultipart
 from email.policy import Policy
 from typing import Callable, Optional, Union
 
+__all__ = ["MIMEApplication"]
+
 _ParamsType = Union[str, None, tuple[str, Optional[str], str]]
 
 class MIMEApplication(MIMENonMultipart):

stdlib/email/mime/audio.pyi

@@ -2,6 +2,8 @@ from email.mime.nonmultipart import MIMENonMultipart
 from email.policy import Policy
 from typing import Callable, Optional, Union
 
+__all__ = ["MIMEAudio"]
+
 _ParamsType = Union[str, None, tuple[str, Optional[str], str]]
 
 class MIMEAudio(MIMENonMultipart):

stdlib/email/mime/base.pyi

@@ -2,6 +2,8 @@ import email.message
 from email.policy import Policy
 from typing import Optional, Union
 
+__all__ = ["MIMEBase"]
+
 _ParamsType = Union[str, None, tuple[str, Optional[str], str]]
 
 class MIMEBase(email.message.Message):

stdlib/email/mime/image.pyi

@@ -2,6 +2,8 @@ from email.mime.nonmultipart import MIMENonMultipart
 from email.policy import Policy
 from typing import Callable, Optional, Union
 
+__all__ = ["MIMEImage"]
+
 _ParamsType = Union[str, None, tuple[str, Optional[str], str]]
 
 class MIMEImage(MIMENonMultipart):

stdlib/email/mime/message.pyi

@@ -2,5 +2,7 @@ from email.message import Message
 from email.mime.nonmultipart import MIMENonMultipart
 from email.policy import Policy
 
+__all__ = ["MIMEMessage"]
+
 class MIMEMessage(MIMENonMultipart):
     def __init__(self, _msg: Message, _subtype: str = ..., *, policy: Policy | None = ...) -> None: ...

stdlib/email/mime/multipart.pyi

@@ -3,6 +3,8 @@ from email.mime.base import MIMEBase
 from email.policy import Policy
 from typing import Optional, Sequence, Union
 
+__all__ = ["MIMEMultipart"]
+
 _ParamsType = Union[str, None, tuple[str, Optional[str], str]]
 
 class MIMEMultipart(MIMEBase):

stdlib/email/mime/nonmultipart.pyi

@@ -1,3 +1,5 @@
 from email.mime.base import MIMEBase
 
+__all__ = ["MIMENonMultipart"]
+
 class MIMENonMultipart(MIMEBase): ...

stdlib/email/mime/text.pyi

@@ -1,5 +1,7 @@
 from email.mime.nonmultipart import MIMENonMultipart
 from email.policy import Policy
 
+__all__ = ["MIMEText"]
+
 class MIMEText(MIMENonMultipart):
     def __init__(self, _text: str, _subtype: str = ..., _charset: str | None = ..., *, policy: Policy | None = ...) -> None: ...