Send None parameter to pandas-gbq to set no progress bar

Author: sumanau7

pandas/io/gbq.py

@@ -32,7 +32,7 @@ def read_gbq(
     use_bqstorage_api: Optional[bool] = None,
     private_key=None,
     verbose=None,
-    progress_bar_type: Optional[str] = None,
+    progress_bar_type: Optional[str] = "NOT_SET",
 ) -> "DataFrame":
     """
     Load data from Google BigQuery.
@@ -132,6 +132,8 @@ def read_gbq(
 
         Possible values of ``progress_bar_type`` include:
 
+        ``NOT_SET``
+            Arg is not set by caller, don't including the argument in pandas-gbq call.
         ``None``
             No progress bar.
         ``'tqdm'``
@@ -167,8 +169,7 @@ def read_gbq(
     # START: new kwargs.  Don't populate unless explicitly set.
     if use_bqstorage_api is not None:
         kwargs["use_bqstorage_api"] = use_bqstorage_api
-
-    if progress_bar_type is not None:
+    if progress_bar_type != "NOT_SET":
         kwargs["progress_bar_type"] = progress_bar_type
     # END: new kwargs
 

pandas/tests/io/test_gbq.py

@@ -131,7 +131,7 @@ def mock_read_gbq(sql, **kwargs):
     assert "use_bqstorage_api" not in captured_kwargs
 
 
-@pytest.mark.parametrize("progress_bar", [None, "foo"])
+@pytest.mark.parametrize("progress_bar", [None, "foo", "NOT_SET"])
 def test_read_gbq_progress_bar_type_kwarg(monkeypatch, progress_bar):
     # GH 29857
     captured_kwargs = {}
@@ -142,11 +142,10 @@ def mock_read_gbq(sql, **kwargs):
 
     monkeypatch.setattr("pandas_gbq.read_gbq", mock_read_gbq)
     pd.read_gbq("SELECT 1", progress_bar_type=progress_bar)
-
-    if progress_bar:
-        assert "progress_bar_type" in captured_kwargs
-    else:
+    if progress_bar == "NOT_SET":
         assert "progress_bar_type" not in captured_kwargs
+    else:
+        assert "progress_bar_type" in captured_kwargs
 
 
 @pytest.mark.single