gh-142349: Add help("lazy") support (#149886)

sobolevn · web-flow · commit 8be3fb1b50ce · 2026-05-15T16:30:40.000Z
diff --git a/Doc/tools/extensions/pydoc_topics.py b/Doc/tools/extensions/pydoc_topics.py
@@ -68,6 +68,7 @@
     "in",
     "integers",
     "lambda",
+    "lazy",
     "lists",
     "naming",
     "nonlocal",
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
@@ -1845,6 +1845,7 @@ class Helper:
         'in': ('in', 'SEQUENCEMETHODS'),
         'is': 'COMPARISON',
         'lambda': ('lambda', 'FUNCTIONS'),
+        'lazy': ('lazy', 'MODULES'),
         'nonlocal': ('nonlocal', 'global NAMESPACES'),
         'not': 'BOOLEAN',
         'or': 'BOOLEAN',
diff --git a/Lib/test/test_pydoc/test_pydoc.py b/Lib/test/test_pydoc/test_pydoc.py
@@ -2172,7 +2172,7 @@ def mock_getline(prompt):
 
     def test_keywords(self):
         self.assertEqual(sorted(pydoc.Helper.keywords),
-                         sorted(keyword.kwlist))
+                         sorted(keyword.kwlist + ['lazy']))
 
     def test_interact_empty_line_continues(self):
         # gh-138568: test pressing Enter without input should continue in help session
diff --git a/Misc/NEWS.d/next/Library/2026-05-15-18-44-20.gh-issue-142349.fHK3v1.rst b/Misc/NEWS.d/next/Library/2026-05-15-18-44-20.gh-issue-142349.fHK3v1.rst
@@ -0,0 +1 @@
+Add :keyword:`lazy` to the list of support topic by :func:`help`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Add :keyword:`lazy` to the list of support topic by :func:`help`.