fix: retry ChunkedEncodingError by default (#802)

Author: plamut

google/cloud/bigquery/retry.py

@@ -27,6 +27,7 @@
     exceptions.TooManyRequests,
     exceptions.InternalServerError,
     exceptions.BadGateway,
+    requests.exceptions.ChunkedEncodingError,
     requests.exceptions.ConnectionError,
     auth_exceptions.TransportError,
 )

tests/unit/test_retry.py

@@ -51,6 +51,10 @@ def test_w_unstructured_requests_connectionerror(self):
         exc = requests.exceptions.ConnectionError()
         self.assertTrue(self._call_fut(exc))
 
+    def test_w_unstructured_requests_chunked_encoding_error(self):
+        exc = requests.exceptions.ChunkedEncodingError()
+        self.assertTrue(self._call_fut(exc))
+
     def test_w_auth_transporterror(self):
         from google.auth.exceptions import TransportError