From dbe2db5df79ec4539041785c5744f70ed4a3c95e Mon Sep 17 00:00:00 2001
From: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Date: Tue, 14 Jun 2022 16:39:12 +0100
Subject: Add a comment

---
 sphinx/pycode/ast.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sphinx/pycode')

diff --git a/sphinx/pycode/ast.py b/sphinx/pycode/ast.py
index 2a896a7c3..ac094494c 100644
--- a/sphinx/pycode/ast.py
+++ b/sphinx/pycode/ast.py
@@ -202,6 +202,7 @@ class _UnparseVisitor(ast.NodeVisitor):
             return "%s[%s]" % (self.visit(node.value), self.visit(node.slice))
 
     def visit_UnaryOp(self, node: ast.UnaryOp) -> str:
+        # UnaryOp is one of {UAdd, USub, Invert, Not}. Only Not needs a space.
         if not isinstance(node.op, ast.Not):
             return "%s%s" % (self.visit(node.op), self.visit(node.operand))
         return "%s %s" % (self.visit(node.op), self.visit(node.operand))
-- 
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