File support-python-3.6.patch of Package mozc

diff --git a/src/base/gen_config_file_stream_data.py b/src/base/gen_config_file_stream_data.py
index c73a2c6a8..05869fdfd 100644
--- a/src/base/gen_config_file_stream_data.py
+++ b/src/base/gen_config_file_stream_data.py
@@ -69,8 +69,10 @@ def OutputConfigFileStreamData(path_list, output):
   for path in path_list:
     output.write('  {"%s", "' % os.path.basename(path))
     with open(path, 'rb') as stream:
-      while (byte := stream.read(1)):
+      byte = stream.read(1)
+      while (byte):
         output.write(r'\x' + byte.hex())
+        byte = stream.read(1)
     output.write('"},\n')
   output.write('};\n')