rest_urllib_headers.diff

diff --git a/kubernetes/client/exceptions.py b/kubernetes/client/exceptions.py
index c7c152b5..1e23d80a 100644
--- a/kubernetes/client/exceptions.py
+++ b/kubernetes/client/exceptions.py
@@ -88,7 +88,7 @@ class ApiException(OpenApiException):
             self.status = http_resp.status
             self.reason = http_resp.reason
             self.body = http_resp.data
-            self.headers = http_resp.getheaders()
+            self.headers = http_resp.headers
         else:
             self.status = status
             self.reason = reason