CT metrics and code spell fix

Changes:
   - Fix ct metric path lib import.
   - code spell fix.

Change-Id: If35f4bff27802832cc3826018b782b00bfa36fb4
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tools/ct_metrics/gen_csv_results.py b/tools/ct_metrics/gen_csv_results.py
index 483e8f3..801f4ff 100755
--- a/tools/ct_metrics/gen_csv_results.py
+++ b/tools/ct_metrics/gen_csv_results.py
@@ -20,7 +20,7 @@
 # Remove the python library path to restore with local project path later.
 save_path_0 = sys.path[0]
 del sys.path[0]
-sys.path.append(os.path.join(os.path.dirname(__file__), "../../../lib"))
+sys.path.append(os.path.join(os.path.dirname(__file__), "../../lib"))
 
 from gen_arg import *
 from gen_print import *