removed traied spaces and changed test codes.

Author: wooseogchoi

pandas/io/parsers/readers.py

@@ -248,9 +248,9 @@ class _read_shared(TypedDict, Generic[HashableT], total=False):
 
         The 'pyarrow' engine was added as an *experimental* engine, and some features
         are unsupported, or may not work correctly, with this engine. For example,
-        the newlines_in_values in the ParseOptions of the pyarrow allows handling the 
+        the newlines_in_values in the ParseOptions of the pyarrow allows handling the
         newline characters within values when parsing csv files. However, this is not
-        currently supported by Pandas. In this case, the 'csv' module in the pyarrow 
+        currently supported by Pandas. In this case, the 'csv' module in the pyarrow
         should be used instead. For more information, refer to the example.
 converters : dict of {{Hashable : Callable}}, optional
     Functions for converting values in specified columns. Keys can either

pandas/tests/io/parser/test_unsupported.py

@@ -153,13 +153,11 @@ def test_pyarrow_engine(self):
 
     def test_pyarrow_newlines_in_values(self):
         msg = (
-              "CSV parser got out of sync with chunker. "
-              "This can mean the data file contains cell values spanning multiple lines; "
-              "please consider enabling the option 'newlines_in_values'."
+            "CSV parser got out of sync with chunker. "
+            "This can mean the data file contains cell values spanning multiple "
+            "lines; please consider enabling the option 'newlines_in_values'."
               )
-        rows = []
-        for idx in range(1_000_000):
-            rows.append({"text": "ab\ncd", "idx" : idx})
+        rows = [{"text": "ab\ncd", "idx" : idx} for idx in range(1_000_000)]
         df = DataFrame(rows)
         df.to_csv("test.csv", index=False)
         with pytest.raises(ValueError, match=msg):