Stop generating .pyc files in boringssl
diff --git a/src/boringssl/gen_build_yaml.py b/src/boringssl/gen_build_yaml.py
index 7c7a579..3a7116b 100755
--- a/src/boringssl/gen_build_yaml.py
+++ b/src/boringssl/gen_build_yaml.py
@@ -33,6 +33,8 @@
 import os
 import yaml
 
+sys.dont_write_bytecode = True
+
 boring_ssl_root = os.path.abspath(os.path.join(
     os.path.dirname(sys.argv[0]), 
     '../../third_party/boringssl'))