python · JelleZijlstra · Jun 26, 2025
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
@@ -1079,6 +1079,11 @@ Imports
                         alias(name='z')],
                     level=0)])
 
+   .. versionchanged:: next
+
+      Previously, the ``level`` field was marked as optional in the interface
+      definition, although the CPython parser always sets this field to an integer.
+
 
 .. class:: alias(name, asname)
 

diff --git a/Misc/NEWS.d/next/Library/2025-06-25-18-58-12.gh-issue-135959.ZvUHYw.rst b/Misc/NEWS.d/next/Library/2025-06-25-18-58-12.gh-issue-135959.ZvUHYw.rst
@@ -0,0 +1,2 @@
+The ``level`` field on :class:`ast.ImportFrom` is now marked as required.
+The parser always sets it to an integer.
@@ -46,7 +46,7 @@ module Python
           | Assert(expr test, expr? msg)
 
           | Import(alias* names)
-          | ImportFrom(identifier? module, alias* names, int? level)
+          | ImportFrom(identifier? module, alias* names, int level)
 
           | Global(identifier* names)
           | Nonlocal(identifier* names)

diff --git a/Python/Python-ast.c b/Python/Python-ast.c
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		The ``level`` field on :class:`ast.ImportFrom` is now marked as required.
		The parser always sets it to an integer.