Fix zipfile path for MacOS builds.

For some reason, the zipfile module on Macs appears to work differently and
complains about the whl file we are trying to extract not being found.

PiperOrigin-RevId: 189928007

diff --git a/tensorflow/tools/ci_build/copy_binary.py b/tensorflow/tools/ci_build/copy_binary.py
index b5a282b..420d390 100755 (executable)
--- a/tensorflow/tools/ci_build/copy_binary.py
+++ b/tensorflow/tools/ci_build/copy_binary.py
@@ -60,7 +60,7 @@ def copy_binary(directory, origin_tag, new_tag, version, gpu=False):
     package = "tf_nightly"
   origin_binary = BINARY_STRING_TEMPLATE % (package, version, origin_tag)
   new_binary = BINARY_STRING_TEMPLATE % (package, version, new_tag)
-  zip_ref = zipfile.ZipFile(directory + origin_binary, "r")
+  zip_ref = zipfile.ZipFile(os.path.join(directory, origin_binary), "r")
 
   try:
     tmpdir = tempfile.mkdtemp()
@@ -115,6 +115,7 @@ def main():
   args = parser.parse_args()
 
   # Argument checking
+  args.filename = os.path.abspath(args.filename)
   check_existence(args.filename)
   regex_groups = re.search(TF_NIGHTLY_REGEX, args.filename)
   directory = regex_groups.group(1)