Upgrade mypy (#3864)

[etc/vim.git] / tests / test_no_ipynb.py

diff --git a/tests/test_no_ipynb.py b/tests/test_no_ipynb.py
index a3c897760fb874a8909a78f2e0c3a665893544ff..12c820def390a61ad21df6f88de70af3daa1d7bf 100644 (file)
--- a/tests/test_no_ipynb.py
+++ b/tests/test_no_ipynb.py
@@ -1,10 +1,11 @@
-import pytest
 import pathlib
 
-from tests.util import get_case_path
-from black import main, jupyter_dependencies_are_installed
+import pytest
 from click.testing import CliRunner
 
+from black import jupyter_dependencies_are_installed, main
+from tests.util import get_case_path
+
 pytestmark = pytest.mark.no_jupyter
 
 runner = CliRunner()
@@ -16,7 +17,7 @@ def test_ipynb_diff_with_no_change_single() -> None:
     result = runner.invoke(main, [str(path)])
     expected_output = (
         "Skipping .ipynb files as Jupyter dependencies are not installed.\n"
-        "You can fix this by running ``pip install black[jupyter]``\n"
+        'You can fix this by running ``pip install "black[jupyter]"``\n'
     )
     assert expected_output in result.output
 
@@ -26,11 +27,10 @@ def test_ipynb_diff_with_no_change_dir(tmp_path: pathlib.Path) -> None:
     runner = CliRunner()
     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())
     result = runner.invoke(main, [str(tmp_path)])
     expected_output = (
         "Skipping .ipynb files as Jupyter dependencies are not installed.\n"
-        "You can fix this by running ``pip install black[jupyter]``\n"
+        'You can fix this by running ``pip install "black[jupyter]"``\n'
     )
     assert expected_output in result.output