From b901e5873dc5381fb1259efb29b1be00e96ce54b Mon Sep 17 00:00:00 2001
From: Max Eisner <4730112+max-ae@users.noreply.github.com>
Date: Sun, 24 Jul 2022 23:09:58 +0200
Subject: [PATCH] do not use parantheses if no args given to method

---
 Library/Homebrew/rubocops/lines.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/rubocops/lines.rb b/Library/Homebrew/rubocops/lines.rb
index 4faf9d8092..ffc52b8080 100644
--- a/Library/Homebrew/rubocops/lines.rb
+++ b/Library/Homebrew/rubocops/lines.rb
@@ -449,7 +449,11 @@ module RuboCop
             replacement_args << "shell_prefix: #{shell_prefix}" unless shell_prefix.nil?
 
             offending_node(node)
-            replacement = "generate_completions(#{replacement_args.join(", ")})"
+            replacement = if replacement_args.blank?
+              "generate_completions"
+            else
+              "generate_completions(#{replacement_args.join(", ")})"
+            end
             problem "Use `#{replacement}` instead of `#{@offensive_node.source}`." do |corrector|
               corrector.replace(@offensive_node.source_range, replacement)
             end