ivanov doc comment

pandas-dev · mroeschke · Jan 19, 2023 · Aug 3, 2022 · Aug 3, 2022 · Aug 3, 2022
commit ab6d3ecb61eb8f8b7fb3506a1b3472819055ea5d
diff --git a/pandas/tests/io/formats/test_format.py b/pandas/tests/io/formats/test_format.py
@@ -3385,10 +3385,8 @@ def test_filepath_or_buffer_arg(
         ):
             getattr(df, method)(buf=filepath_or_buffer, encoding=encoding)
     elif encoding == "foo":
-        expected_warning = None
-        with tm.assert_produces_warning(expected_warning):
-            with pytest.raises(LookupError, match="unknown encoding"):
-                getattr(df, method)(buf=filepath_or_buffer, encoding=encoding)
+        with pytest.raises(LookupError, match="unknown encoding"):
+            getattr(df, method)(buf=filepath_or_buffer, encoding=encoding)
     else:
         expected = getattr(df, method)()
         getattr(df, method)(buf=filepath_or_buffer, encoding=encoding)