rubocop: fix offences of the Lint/StringConversionInInterpolation

.rubocop_todo.yml

@@ -636,14 +636,6 @@ Lint/ShadowedException:
   Exclude:
     - 'lib/pry/method.rb'
 
-# Offense count: 4
-# Cop supports --auto-correct.
-Lint/StringConversionInInterpolation:
-  Exclude:
-    - 'lib/pry/command.rb'
-    - 'lib/pry/commands/watch_expression.rb'
-    - 'lib/pry/method/patcher.rb'
-
 # Offense count: 36
 Lint/UnderscorePrefixedVariableName:
   Enabled: false

lib/pry/command.rb

@@ -212,7 +212,7 @@ class Pry
                        $1.capitalize.gsub(/_/, " ")
                      when %r{(pry-\w+)-([\d\.]+([\w\.]+)?)}
                        name, version = $1, $2
-                       "#{name.to_s} (v#{version.to_s})"
+                       "#{name} (v#{version})"
                      when /pryrc/
                        "pryrc"
                      else

lib/pry/commands/watch_expression.rb

@@ -81,7 +81,7 @@ class Pry
       expressions.each do |expr|
         expr.eval!
         if expr.changed?
-          output.puts "#{blue "watch"}: #{expr.to_s}"
+          output.puts "#{blue "watch"}: #{expr}"
         end
       end
     end

lib/pry/method/patcher.rb

@@ -94,7 +94,7 @@ class Pry
       def wrap_for_owner(source)
         Pry.current[:pry_owner] = method.owner
         owner_source = definition_for_owner(source)
-        visibility_fix = "#{method.visibility.to_s} #{method.name.to_sym.inspect}"
+        visibility_fix = "#{method.visibility} #{method.name.to_sym.inspect}"
         "Pry.current[:pry_owner].class_eval do; #{owner_source}\n#{visibility_fix}\nend"
       end