Update pre-commit-config to exclude snapshot tests

.pre-commit-config.yaml

@@ -13,3 +13,4 @@ repos:
     hooks:
     -   id: black
         exclude: ^tests/
+exclude: ^tests/snapshot_tests

src/textual/_doc.py

@@ -46,7 +46,7 @@ def format_svg(source, language, css_class, options, md, attrs, **kwargs) -> str
 
 def take_svg_screenshot(
     app_path: str,
-    press: Iterable[str] = ("_",),
+    press: Iterable[str] = ("_", "_"),
     title: str | None = None,
     terminal_size: tuple[int, int] = (24, 80),
 ) -> str:

tests/snapshot_tests/conftest.py

@@ -138,7 +138,7 @@ def pytest_terminal_summary(
     .. versionadded:: 4.2
         The ``config`` parameter.
     """
-    diffs = config._textual_snapshots
+    diffs = getattr(config, "_textual_snapshots", None)
     if diffs:
         snapshot_report_location = config._textual_snapshot_html_report
         console = Console()