diff --git a/influxdb/client.py b/influxdb/client.py
index 548c5772..adab4edc 100644
--- a/influxdb/client.py
+++ b/influxdb/client.py
@@ -336,7 +336,10 @@ def request(self, url, method='GET', params=None, data=None, stream=False,
         _try = 0
         while retry:
             try:
-                auth = (self._username, self._password)
+                if "Authorization" in headers:
+                    auth = (None, None)
+                else:
+                    auth = (self._username, self._password)
                 response = self._session.request(
                     method=method,
                     url=url,