Error: tried to create Proc object without a block
Do not report this issue until you've run `brew update` and tried again.
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:372:in `proc'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:372:in `pr_check_conflicts'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:439:in `block in pr_pull'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:429:in `each'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/dev-cmd/pr-pull.rb:429:in `pr_pull'
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/brew.rb:93:in `<main>'
Error: Process completed with exit code 1.
https://github.com/Homebrew/homebrew-core/runs/7634004090?check_suite_focus=true#step:10:15