Fix flake8

Author: adsharma

tests/test_csv.py

@@ -1,7 +1,9 @@
 import io
-import pytest
-import sys
 import os
+import sys
+
+import pytest
+
 from stdlib import csv
 
 # Add src directory to PYTHONPATH to allow direct import of stdlib
@@ -230,7 +232,8 @@ def test_embedded_newlines_in_quoted_fields(self):
         # Let's assume strict=True for this test.
         with pytest.raises(csv.Error, match="unclosed quote"):
             list(csv.reader(io.StringIO('a,"b\nc",d'), strict=True))
-        # If not strict, it might yield `[['a', 'b']]` or `[['a', '"b']]` for `a,"b\n`. The current reader's unclosed quote error isn't bypassed by non-strict mode.
+        # If not strict, it might yield `[['a', 'b']]` or `[['a', '"b']]` for `a,"b\n`.
+        # The current reader's unclosed quote error isn't bypassed by non-strict mode.
 
     def test_empty_lines_and_whitespace_lines(self):
         data = "\r\n  \r\nval1,val2\r\n\r\n"  # Empty line, whitespace line, data, empty line