bisect-kit: fix lint warnings

BUG=None
TEST=pylint

Change-Id: I2add8a04b49d7cc432f138c6d0b76eb880485b98
diff --git a/eval_cros_autotest.py b/eval_cros_autotest.py
index 11b931c..0a89636 100755
--- a/eval_cros_autotest.py
+++ b/eval_cros_autotest.py
@@ -331,19 +331,18 @@
     logger.info('values=%s', values)
     # The exit code doesn't matter.
     return OLD
-  else:
-    if opts.fail_to_pass:
-      if passed:
-        logger.info('passed')
-        return NEW
-      logger.info('failed')
-      return OLD
-    else:
-      if passed:
-        logger.info('passed')
-        return OLD
-      logger.info('failed')
+
+  if opts.fail_to_pass:
+    if passed:
+      logger.info('passed')
       return NEW
+    logger.info('failed')
+    return OLD
+  if passed:
+    logger.info('passed')
+    return OLD
+  logger.info('failed')
+  return NEW
 
 
 if __name__ == '__main__':