Yet another small update for more general regex

Author: mbrucher

pandas/io/tests/parser/python_parser_only.py

@@ -182,6 +182,6 @@ def test_temporary_file(self):
         new_file.flush()
         new_file.seek(0)
 
-        result = self.read_csv(new_file, sep=r"\s+", header=None)
+        result = self.read_csv(new_file, sep=r"\s*", header=None)
         expected = DataFrame([[0, 0]])
         tm.assert_frame_equal(result, expected)