--- /dev/null
+# Stubs for email.mime.base (Python 3.4)\r
+\r
+from typing import Optional, Tuple, Union\r
+import email.message\r
+\r
+_ParamsType = Union[str, None, Tuple[str, Optional[str], str]]\r
+\r
+class MIMEBase(email.message.Message):\r
+ def __init__(self, _maintype: str, _subtype: str,\r
+ **_params: _ParamsType) -> None: ...\r