apply black and isort (#4287)

* apply black and isort

* move some type ignores

stdlib/3/textwrap.pyi

@@ -1,4 +1,4 @@
-from typing import Callable, List, Optional, Dict, Pattern
+from typing import Callable, Dict, List, Optional, Pattern
 
 class TextWrapper:
     width: int = ...
@@ -22,24 +22,22 @@ class TextWrapper:
     unicode_whitespace_trans: Dict[int, int] = ...
     uspace: int = ...
     x: str = ...  # leaked loop variable
-
     def __init__(
-            self,
-            width: int = ...,
-            initial_indent: str = ...,
-            subsequent_indent: str = ...,
-            expand_tabs: bool = ...,
-            replace_whitespace: bool = ...,
-            fix_sentence_endings: bool = ...,
-            break_long_words: bool = ...,
-            drop_whitespace: bool = ...,
-            break_on_hyphens: bool = ...,
-            tabsize: int = ...,
-            *,
-            max_lines: Optional[int] = ...,
-            placeholder: str = ...) -> None:
-        ...
-
+        self,
+        width: int = ...,
+        initial_indent: str = ...,
+        subsequent_indent: str = ...,
+        expand_tabs: bool = ...,
+        replace_whitespace: bool = ...,
+        fix_sentence_endings: bool = ...,
+        break_long_words: bool = ...,
+        drop_whitespace: bool = ...,
+        break_on_hyphens: bool = ...,
+        tabsize: int = ...,
+        *,
+        max_lines: Optional[int] = ...,
+        placeholder: str = ...,
+    ) -> None: ...
     # Private methods *are* part of the documented API for subclasses.
     def _munge_whitespace(self, text: str) -> str: ...
     def _split(self, text: str) -> List[str]: ...
@@ -47,67 +45,56 @@ class TextWrapper:
     def _handle_long_word(self, reversed_chunks: List[str], cur_line: List[str], cur_len: int, width: int) -> None: ...
     def _wrap_chunks(self, chunks: List[str]) -> List[str]: ...
     def _split_chunks(self, text: str) -> List[str]: ...
-
     def wrap(self, text: str) -> List[str]: ...
     def fill(self, text: str) -> str: ...
 
-
 def wrap(
-        text: str,
-        width: int = ...,
-        *,
-        initial_indent: str = ...,
-        subsequent_indent: str = ...,
-        expand_tabs: bool = ...,
-        tabsize: int = ...,
-        replace_whitespace: bool = ...,
-        fix_sentence_endings: bool = ...,
-        break_long_words: bool = ...,
-        break_on_hyphens: bool = ...,
-        drop_whitespace: bool = ...,
-        max_lines: int = ...,
-        placeholder: str = ...
-) -> List[str]:
-    ...
-
+    text: str,
+    width: int = ...,
+    *,
+    initial_indent: str = ...,
+    subsequent_indent: str = ...,
+    expand_tabs: bool = ...,
+    tabsize: int = ...,
+    replace_whitespace: bool = ...,
+    fix_sentence_endings: bool = ...,
+    break_long_words: bool = ...,
+    break_on_hyphens: bool = ...,
+    drop_whitespace: bool = ...,
+    max_lines: int = ...,
+    placeholder: str = ...,
+) -> List[str]: ...
 def fill(
-        text: str,
-        width: int = ...,
-        *,
-        initial_indent: str = ...,
-        subsequent_indent: str = ...,
-        expand_tabs: bool = ...,
-        tabsize: int = ...,
-        replace_whitespace: bool = ...,
-        fix_sentence_endings: bool = ...,
-        break_long_words: bool = ...,
-        break_on_hyphens: bool = ...,
-        drop_whitespace: bool = ...,
-        max_lines: int = ...,
-        placeholder: str = ...
-) -> str:
-    ...
-
+    text: str,
+    width: int = ...,
+    *,
+    initial_indent: str = ...,
+    subsequent_indent: str = ...,
+    expand_tabs: bool = ...,
+    tabsize: int = ...,
+    replace_whitespace: bool = ...,
+    fix_sentence_endings: bool = ...,
+    break_long_words: bool = ...,
+    break_on_hyphens: bool = ...,
+    drop_whitespace: bool = ...,
+    max_lines: int = ...,
+    placeholder: str = ...,
+) -> str: ...
 def shorten(
-        text: str,
-        width: int,
-        *,
-        initial_indent: str = ...,
-        subsequent_indent: str = ...,
-        expand_tabs: bool = ...,
-        tabsize: int = ...,
-        replace_whitespace: bool = ...,
-        fix_sentence_endings: bool = ...,
-        break_long_words: bool = ...,
-        break_on_hyphens: bool = ...,
-        drop_whitespace: bool = ...,
-        # Omit `max_lines: int = None`, it is forced to 1 here.
-        placeholder: str = ...
-) -> str:
-    ...
-
-def dedent(text: str) -> str:
-    ...
-
-def indent(text: str, prefix: str, predicate: Optional[Callable[[str], bool]] = ...) -> str:
-    ...
+    text: str,
+    width: int,
+    *,
+    initial_indent: str = ...,
+    subsequent_indent: str = ...,
+    expand_tabs: bool = ...,
+    tabsize: int = ...,
+    replace_whitespace: bool = ...,
+    fix_sentence_endings: bool = ...,
+    break_long_words: bool = ...,
+    break_on_hyphens: bool = ...,
+    drop_whitespace: bool = ...,
+    # Omit `max_lines: int = None`, it is forced to 1 here.
+    placeholder: str = ...,
+) -> str: ...
+def dedent(text: str) -> str: ...
+def indent(text: str, prefix: str, predicate: Optional[Callable[[str], bool]] = ...) -> str: ...