Fix build

Author: jonashaag

pandas/_testing/_io.py

@@ -10,8 +10,6 @@
 )
 import zipfile
 
-import pytest
-
 from pandas._typing import FilePathOrBuffer
 from pandas.compat import (
     get_lzma_file,
@@ -396,6 +394,8 @@ def write_to_compressed(compression, path, data, dest="test"):
     elif compression == "bz2":
         compress_method = bz2.BZ2File
     elif compression == "zstd":
+        import pytest
+
         zstd = pytest.importorskip("zstandard")
         compress_method = zstd.open
     elif compression == "xz":