Error in Layout/EmptyLineAfterMultilineCondition

[zhuravel]

Layout/EmptyLineAfterMultilineCondition cop fails while inspecting such code:

Rails.backtrace_cleaner.remove_silencers! if ENV['CI']

cc @fatkodima

---

Expected behavior

No error.

Actual behavior

$ be rubocop -d --only Layout/EmptyLineAfterMultilineCondition backtrace_silencers.rb
For /Users/bohdan/Projects/talkable-style: configuration from /Users/bohdan/Projects/talkable-style/.rubocop.yml
Inheriting configuration from /Users/bohdan/Projects/talkable-style/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-performance-1.8.0/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-performance-1.8.0/config/default.yml
Default configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rails-2.8.0/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rails-2.8.0/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rake-0.5.1/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rake-0.5.1/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rspec-1.43.2/config/default.yml
configuration from /Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-rspec-1.43.2/config/default.yml
Inspecting 1 file
Scanning /Users/bohdan/Projects/talkable-style/backtrace_silencers.rb
An error occurred while Layout/EmptyLineAfterMultilineCondition cop was inspecting /Users/bohdan/Projects/talkable-style/backtrace_silencers.rb:1:0.
undefined method `children' for nil:NilClass
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/layout/empty_line_after_multiline_condition.rb:120:in `next_sibling_empty?'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/layout/empty_line_after_multiline_condition.rb:65:in `on_if'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:99:in `block (2 levels) in trigger_responding_cops'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:152:in `with_cop_error_handling'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:98:in `block in trigger_responding_cops'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:97:in `each'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:97:in `trigger_responding_cops'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:70:in `on_if'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-ast-0.3.0/lib/rubocop/ast/traversal.rb:14:in `walk'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/commissioner.rb:85:in `investigate'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/team.rb:152:in `investigate_partial'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cop/team.rb:83:in `investigate'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:296:in `inspect_file'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:246:in `block in do_inspection_loop'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:278:in `block in iterate_until_no_changes'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:271:in `loop'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:271:in `iterate_until_no_changes'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:242:in `do_inspection_loop'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:122:in `block in file_offenses'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:147:in `file_offense_cache'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:121:in `file_offenses'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:112:in `process_file'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:91:in `block in each_inspected_file'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:90:in `each'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:90:in `reduce'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:90:in `each_inspected_file'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:79:in `inspect_files'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/runner.rb:40:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli/command/execute_runner.rb:22:in `execute_runner'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli/command/execute_runner.rb:14:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli/command.rb:11:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli/environment.rb:18:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli.rb:65:in `run_command'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli.rb:72:in `execute_runners'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/lib/rubocop/cli.rb:41:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/exe/rubocop:13:in `block in <top (required)>'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/2.7.0/benchmark.rb:308:in `realtime'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/rubocop-0.90.0/exe/rubocop:12:in `<top (required)>'
/Users/bohdan/.rbenv/versions/2.7.1/bin/rubocop:23:in `load'
/Users/bohdan/.rbenv/versions/2.7.1/bin/rubocop:23:in `<top (required)>'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `load'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `kernel_load'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:28:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:476:in `exec'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:399:in `dispatch'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:30:in `dispatch'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:476:in `start'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/cli.rb:24:in `start'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/exe/bundle:46:in `block in <top (required)>'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:123:in `with_friendly_errors'
/Users/bohdan/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/bundler-2.1.4/exe/bundle:34:in `<top (required)>'
/Users/bohdan/.rbenv/versions/2.7.1/bin/bundle:23:in `load'
/Users/bohdan/.rbenv/versions/2.7.1/bin/bundle:23:in `<main>'
.

1 file inspected, no offenses detected

1 error occurred:
An error occurred while Layout/EmptyLineAfterMultilineCondition cop was inspecting /Users/bohdan/Projects/talkable-style/backtrace_silencers.rb:1:0.
Errors are usually caused by RuboCop bugs.
Please, report your problems to RuboCop's issue tracker.
https://github.com/rubocop-hq/rubocop/issues

Mention the following information in the issue report:
0.90.0 (using Parser 2.7.1.4, rubocop-ast 0.3.0, running on ruby 2.7.1 x86_64-darwin19)
Finished in 0.4698310000003403 seconds

Steps to reproduce the problem

Create backtrace_silencers.rb with the following content:

Rails.backtrace_cleaner.remove_silencers! if ENV['CI']

Run:

$ bundle exec rubocop -d --only Layout/EmptyLineAfterMultilineCondition backtrace_silencers.rb

RuboCop version

$ [bundle exec] rubocop -V
0.90.0 (using Parser 2.7.1.4, rubocop-ast 0.3.0, running on ruby 2.7.1 x86_64-darwin19)