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Use type_comments when parsing AST #2165

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Use type_comments when parsing AST #2165

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6 changes: 6 additions & 0 deletions CHANGES.md
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@@ -1,5 +1,11 @@
## Change Log

### Unreleased

#### _Black_

- Parse type comments when using ast module (#2165)

### 21.4b2

#### _Black_
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7 changes: 6 additions & 1 deletion src/black/__init__.py
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Expand Up @@ -6416,7 +6416,12 @@ def parse_ast(src: str) -> Union[ast.AST, ast3.AST, ast27.AST]:
# TODO: support Python 4+ ;)
for minor_version in range(sys.version_info[1], 4, -1):
try:
return ast.parse(src, filename, feature_version=(3, minor_version))
return ast.parse(
src,
filename,
feature_version=(3, minor_version),
type_comments=True,
)
except SyntaxError:
continue
else:
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