diff --git a/python/lib/dependabot/python/file_updater/setup_file_sanitizer.rb b/python/lib/dependabot/python/file_updater/setup_file_sanitizer.rb
index 8993f379fc..d8aa7f3b32 100644
--- a/python/lib/dependabot/python/file_updater/setup_file_sanitizer.rb
+++ b/python/lib/dependabot/python/file_updater/setup_file_sanitizer.rb
@@ -68,11 +68,11 @@ def setup_requires_array
 
               dep.name + dep.requirements.first[:requirement].to_s
             end
-        ends
+        end
 
         sig { returns(T.untyped) }
         def extras_require_hash
-          @extras_require_hash = T.let(Hash, T.untyped)
+          @extras_require_hash = T.let(T.untyped, T.untyped)
           @extras_require_hash ||=
             begin
               hash = {}