From 70b38f8748779d57117bca3e37441e2223372293 Mon Sep 17 00:00:00 2001
From: Peter Ogden <ogden@xilinx.com>
Date: Tue, 3 Mar 2020 06:23:26 -0500
Subject: [PATCH 2/3] Avoid deleteing notebooks

---
 setup.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/setup.py b/setup.py
index df1dada..95479e3 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ from setuptools.command.build_ext import build_ext
 from distutils.dir_util import copy_tree
 from distutils.file_util import copy_file, move_file
 from shutil import rmtree
+import shutil
 import glob
 import re
 import subprocess
@@ -322,8 +323,8 @@ class BuildExtension(build_ext):
             for ol in overlay_dirs:
                 src = os.path.join(board_folder, ol)
                 dst = os.path.join(self.build_lib, "pynq/overlays", ol)
-                exclude_file_or_folder('notebooks', src)
-                copy_tree(src, dst)
+                if not os.path.isdir(dst):
+                    shutil.copytree(src, dst, ignore=shutil.ignore_patterns('notebooks'))
 
     def run(self):
         if CPU_ARCH == ZYNQ_ARCH:
-- 
2.7.4