Remove Python 3.4 support (#3147)

Closes #3123

stdlib/3/collections/__init__.pyi

@@ -9,8 +9,12 @@ from typing import (
 from . import abc
 
 from typing import (
+    AsyncIterable as AsyncIterable,
+    AsyncIterator as AsyncIterator,
+    Awaitable as Awaitable,
     Callable as Callable,
     Container as Container,
+    Coroutine as Coroutine,
     Hashable as Hashable,
     Iterable as Iterable,
     Iterator as Iterator,
@@ -34,13 +38,6 @@ if sys.version_info >= (3, 6):
         Collection as Collection,
         AsyncGenerator as AsyncGenerator,
     )
-if sys.version_info >= (3, 5):
-    from typing import (
-        Awaitable as Awaitable,
-        Coroutine as Coroutine,
-        AsyncIterable as AsyncIterable,
-        AsyncIterator as AsyncIterator,
-    )
 
 _S = TypeVar('_S')
 _T = TypeVar('_T')
@@ -118,8 +115,7 @@ class UserString(Sequence[str]):
     def __int__(self) -> int: ...
     def __float__(self) -> float: ...
     def __complex__(self) -> complex: ...
-    if sys.version_info >= (3, 5):
-        def __getnewargs__(self) -> Tuple[str]: ...
+    def __getnewargs__(self) -> Tuple[str]: ...
     def __lt__(self, string: Union[str, UserString]) -> bool: ...
     def __le__(self, string: Union[str, UserString]) -> bool: ...
     def __gt__(self, string: Union[str, UserString]) -> bool: ...
@@ -132,8 +128,7 @@ class UserString(Sequence[str]):
     def __mul__(self: _UserStringT, n: int) -> _UserStringT: ...
     def __mod__(self: _UserStringT, args: Any) -> _UserStringT: ...
     def capitalize(self: _UserStringT) -> _UserStringT: ...
-    if sys.version_info >= (3, 5):
-        def casefold(self: _UserStringT) -> _UserStringT: ...
+    def casefold(self: _UserStringT) -> _UserStringT: ...
     def center(self: _UserStringT, width: int, *args: Any) -> _UserStringT: ...
     def count(self, sub: Union[str, UserString], start: int = ..., end: int = ...) -> int: ...
     def encode(self: _UserStringT, encoding: Optional[str] = ..., errors: Optional[str] = ...) -> _UserStringT: ...
@@ -141,8 +136,7 @@ class UserString(Sequence[str]):
     def expandtabs(self: _UserStringT, tabsize: int = ...) -> _UserStringT: ...
     def find(self, sub: Union[str, UserString], start: int = ..., end: int = ...) -> int: ...
     def format(self, *args: Any, **kwds: Any) -> str: ...
-    if sys.version_info >= (3, 5):
-        def format_map(self, mapping: Mapping[str, Any]) -> str: ...
+    def format_map(self, mapping: Mapping[str, Any]) -> str: ...
     def index(self, sub: str, start: int = ..., end: int = ...) -> int: ...
     def isalpha(self) -> bool: ...
     def isalnum(self) -> bool: ...
@@ -151,8 +145,7 @@ class UserString(Sequence[str]):
     def isidentifier(self) -> bool: ...
     def islower(self) -> bool: ...
     def isnumeric(self) -> bool: ...
-    if sys.version_info >= (3, 5):
-        def isprintable(self) -> bool: ...
+    def isprintable(self) -> bool: ...
     def isspace(self) -> bool: ...
     def istitle(self) -> bool: ...
     def isupper(self) -> bool: ...
@@ -160,13 +153,12 @@ class UserString(Sequence[str]):
     def ljust(self: _UserStringT, width: int, *args: Any) -> _UserStringT: ...
     def lower(self: _UserStringT) -> _UserStringT: ...
     def lstrip(self: _UserStringT, chars: Optional[str] = ...) -> _UserStringT: ...
-    if sys.version_info >= (3, 5):
-        @staticmethod
-        @overload
-        def maketrans(x: Union[Dict[int, _T], Dict[str, _T], Dict[Union[str, int], _T]]) -> Dict[int, _T]: ...
-        @staticmethod
-        @overload
-        def maketrans(x: str, y: str, z: str = ...) -> Dict[int, Union[int, None]]: ...
+    @staticmethod
+    @overload
+    def maketrans(x: Union[Dict[int, _T], Dict[str, _T], Dict[Union[str, int], _T]]) -> Dict[int, _T]: ...
+    @staticmethod
+    @overload
+    def maketrans(x: str, y: str, z: str = ...) -> Dict[int, Union[int, None]]: ...
     def partition(self, sep: str) -> Tuple[str, str, str]: ...
     def replace(self: _UserStringT, old: Union[str, UserString], new: Union[str, UserString], maxsplit: int = ...) -> _UserStringT: ...
     def rfind(self, sub: Union[str, UserString], start: int = ..., end: int = ...) -> int: ...
@@ -197,8 +189,7 @@ class deque(MutableSequence[_T], Generic[_T]):
     def append(self, x: _T) -> None: ...
     def appendleft(self, x: _T) -> None: ...
     def clear(self) -> None: ...
-    if sys.version_info >= (3, 5):
-        def copy(self) -> deque[_T]: ...
+    def copy(self) -> deque[_T]: ...
     def count(self, x: _T) -> int: ...
     def extend(self, iterable: Iterable[_T]) -> None: ...
     def extendleft(self, iterable: Iterable[_T]) -> None: ...
@@ -238,10 +229,9 @@ class deque(MutableSequence[_T], Generic[_T]):
 
     def __iadd__(self: _S, iterable: Iterable[_T]) -> _S: ...
 
-    if sys.version_info >= (3, 5):
-        def __add__(self, other: deque[_T]) -> deque[_T]: ...
-        def __mul__(self, other: int) -> deque[_T]: ...
-        def __imul__(self, other: int) -> None: ...
+    def __add__(self, other: deque[_T]) -> deque[_T]: ...
+    def __mul__(self, other: int) -> deque[_T]: ...
+    def __imul__(self, other: int) -> None: ...
 
 _CounterT = TypeVar('_CounterT', bound=Counter)
 

stdlib/3/collections/abc.pyi

@@ -4,7 +4,13 @@
 import sys
 
 from . import (
+    AsyncIterable as AsyncIterable,
+    AsyncIterator as AsyncIterator,
+    Awaitable as Awaitable,
+    ByteString as ByteString,
     Container as Container,
+    Coroutine as Coroutine,
+    Generator as Generator,
     Hashable as Hashable,
     Iterable as Iterable,
     Iterator as Iterator,
@@ -22,16 +28,6 @@ from . import (
     ValuesView as ValuesView,
 )
 
-if sys.version_info >= (3, 5):
-    from . import (
-        Generator as Generator,
-        ByteString as ByteString,
-        Awaitable as Awaitable,
-        Coroutine as Coroutine,
-        AsyncIterable as AsyncIterable,
-        AsyncIterator as AsyncIterator,
-    )
-
 if sys.version_info >= (3, 6):
     from . import (
         Collection as Collection,