Fix code style to reduce errors in RubyMine

lib/docker_client.rb

@@ -43,6 +43,7 @@ class DockerClient
         module_name: File.basename(filename, File.extname(filename)).underscore
     }
   end
+
   private :command_substitutions
 
   def self.config
@@ -136,6 +137,7 @@ class DockerClient
   rescue Docker::Error::NotFoundError => error
     Rails.logger.info('create_workspace_files: Rescued from Docker::Error::NotFoundError: ' + error.to_s)
   end
+
   private :create_workspace_files
 
   def create_workspace_file(options = {})
@@ -144,6 +146,7 @@ class DockerClient
     file.write(options[:file].content)
     file.close
   end
+
   private :create_workspace_file
 
   def create_workspace_files_transmit(container, submission)
@@ -386,6 +389,7 @@ class DockerClient
   def local_file_path(options = {})
     File.join(self.class.local_workspace_path(options[:container]), options[:file].path || '', options[:file].name_with_extension)
   end
+
   private :local_file_path
 
   def self.local_workspace_path(container)
@@ -420,6 +424,7 @@ class DockerClient
     DockerContainerPool.return_container(container, execution_environment)
     container.status = :returned
   end
+
   #private :return_container
 
   def send_command(command, container, &block)
@@ -445,7 +450,9 @@ class DockerClient
     kill_container(container)
     {status: :timeout}
   end
+
   private :send_command
 
-  class Error < RuntimeError; end
+  class Error < RuntimeError;
+  end
 end