Automatic code cleanup.

PiperOrigin-RevId: 245030204
diff --git a/src/test/starlark/skylint/BUILD b/src/test/starlark/skylint/BUILD
index ff92c38..62d2634 100644
--- a/src/test/starlark/skylint/BUILD
+++ b/src/test/starlark/skylint/BUILD
@@ -14,4 +14,5 @@
     data = ["//src/tools/skylark/java/com/google/devtools/skylark/skylint:Skylint"] + glob([
         "testdata/*",
     ]),
+    python_version = "PY2",
 )
diff --git a/tools/aquery_differ/BUILD b/tools/aquery_differ/BUILD
index 7acb6e3..5544f07 100644
--- a/tools/aquery_differ/BUILD
+++ b/tools/aquery_differ/BUILD
@@ -31,6 +31,7 @@
 py_binary(
     name = "aquery_differ",
     srcs = ["aquery_differ.py"],
+    python_version = "PY2",
     deps = [":aquery_differ_main_lib"],
 )
 
@@ -47,6 +48,7 @@
 py_test(
     name = "aquery_differ_test",
     srcs = ["aquery_differ_test.py"],
+    python_version = "PY2",
     deps = [
         ":aquery_differ_main_lib",
         "//src/main/protobuf:analysis_py_proto",