diff --git a/Library/Homebrew/cask/quarantine.rb b/Library/Homebrew/cask/quarantine.rb
index 6af81b6aeb..4a36a5128e 100644
--- a/Library/Homebrew/cask/quarantine.rb
+++ b/Library/Homebrew/cask/quarantine.rb
@@ -216,11 +216,11 @@ module Cask
       # including both file ownership and whether system permissions are granted.
       # Here we just want to check whether sudo would be needed.
       looks_writable_without_sudo = if app.owned?
-        (app.lstat.mode & 0200) != 0
+        app.lstat.mode.anybits?(0200)
       elsif app.grpowned?
-        (app.lstat.mode & 0020) != 0
+        app.lstat.mode.anybits?(0020)
       else
-        (app.lstat.mode & 0002) != 0
+        app.lstat.mode.anybits?(0002)
       end
 
       if looks_writable_without_sudo
diff --git a/Library/Homebrew/utils/pypi.rb b/Library/Homebrew/utils/pypi.rb
index 28b5b847aa..083108b28a 100644
--- a/Library/Homebrew/utils/pypi.rb
+++ b/Library/Homebrew/utils/pypi.rb
@@ -272,7 +272,7 @@ module PyPI
     else
       stable = T.must(formula.stable)
       url = if stable.specs[:tag].present?
-        url = "git+#{stable.url}@#{stable.specs[:tag]}"
+        "git+#{stable.url}@#{stable.specs[:tag]}"
       else
         stable.url
       end