Issue #19286: [distutils] Only match files in build_py.find_data_files.
diff --git a/Lib/distutils/command/build_py.py b/Lib/distutils/command/build_py.py
index 04c455f..c123c62 100644
--- a/Lib/distutils/command/build_py.py
+++ b/Lib/distutils/command/build_py.py
@@ -128,7 +128,8 @@
# Each pattern has to be converted to a platform-specific path
filelist = glob(os.path.join(src_dir, convert_path(pattern)))
# Files that match more than one pattern are only added once
- files.extend([fn for fn in filelist if fn not in files])
+ files.extend([fn for fn in filelist if fn not in files
+ and os.path.isfile(fn)])
return files
def build_package_data(self):