Fix indentation.

--
MOS_MIGRATED_REVID=106683157
diff --git a/src/main/java/com/google/devtools/build/lib/rules/python/PyTest.java b/src/main/java/com/google/devtools/build/lib/rules/python/PyTest.java
index 684324d..ba84123 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/python/PyTest.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/python/PyTest.java
@@ -27,7 +27,7 @@
    * Create a {@link PythonSemantics} object that governs
    * the behavior of this rule.
    */
-protected abstract PythonSemantics createSemantics();
+  protected abstract PythonSemantics createSemantics();
 
   @Override
   public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {