X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/2893c42176903c8b6c28c46ff9e046861328b6a8..ad3724b7ffc01d8152c97fe7f4dcf35220f21a8e:/tests/test_ipynb.py

diff --git a/tests/test_ipynb.py b/tests/test_ipynb.py
index e1d7dd8..91e7901 100644
--- a/tests/test_ipynb.py
+++ b/tests/test_ipynb.py
@@ -1,23 +1,24 @@
 import contextlib
-from dataclasses import replace
 import pathlib
 import re
 from contextlib import ExitStack as does_not_raise
+from dataclasses import replace
 from typing import ContextManager
 
+import pytest
+from _pytest.monkeypatch import MonkeyPatch
 from click.testing import CliRunner
-from black.handle_ipynb_magics import jupyter_dependencies_are_installed
+
 from black import (
-    main,
+    Mode,
     NothingChanged,
     format_cell,
     format_file_contents,
     format_file_in_place,
+    main,
 )
-import pytest
-from black import Mode
-from _pytest.monkeypatch import MonkeyPatch
-from tests.util import DATA_DIR, read_jupyter_notebook, get_case_path
+from black.handle_ipynb_magics import jupyter_dependencies_are_installed
+from tests.util import DATA_DIR, get_case_path, read_jupyter_notebook
 
 with contextlib.suppress(ModuleNotFoundError):
     import IPython
@@ -438,8 +439,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_single(
     jupyter_dependencies_are_installed.cache_clear()
     nb = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
     tmp_nb = tmp_path / "notebook.ipynb"
-    with open(nb) as src, open(tmp_nb, "w") as dst:
-        dst.write(src.read())
+    tmp_nb.write_bytes(nb.read_bytes())
     monkeypatch.setattr(
         "black.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
@@ -464,8 +464,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_dir(
     jupyter_dependencies_are_installed.cache_clear()
     nb = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
     tmp_nb = tmp_path / "notebook.ipynb"
-    with open(nb) as src, open(tmp_nb, "w") as dst:
-        dst.write(src.read())
+    tmp_nb.write_bytes(nb.read_bytes())
     monkeypatch.setattr(
         "black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
@@ -482,8 +481,7 @@ def test_cache_isnt_written_if_no_jupyter_deps_dir(
 def test_ipynb_flag(tmp_path: pathlib.Path) -> None:
     nb = get_case_path("jupyter", "notebook_trailing_newline.ipynb")
     tmp_nb = tmp_path / "notebook.a_file_extension_which_is_definitely_not_ipynb"
-    with open(nb) as src, open(tmp_nb, "w") as dst:
-        dst.write(src.read())
+    tmp_nb.write_bytes(nb.read_bytes())
     result = runner.invoke(
         main,
         [