Add Optional[] for all remaining cases of x: <type> = None (#1424)

* Final round of adding Optional[] to type of arguments with default = None
* Update Travis to use --no-implicit-optionals and clarify CONTRIBUTING.md
This commit is contained in:
Guido van Rossum
2017-06-21 10:50:21 -07:00
committed by Matthias Kramm
parent 81f77b17ec
commit 350563223f
18 changed files with 152 additions and 133 deletions

View File

@@ -1,9 +1,9 @@
# Stubs for getpass
from typing import TextIO
from typing import Optional, TextIO
def getpass(prompt: str = ..., stream: TextIO = None) -> str: ...
def getpass(prompt: str = ..., stream: Optional[TextIO] = None) -> str: ...
def getuser() -> str: ...