Disable pytest_asyncio

Debian currently has incompatible versions of pytest_asyncio and
pytest, causing these tests to error on collection.

Author: Rebecca N. Palmer <[email protected]>
Bug-Debian: https://bugs.debian.org/969050
Forwarded: not-needed pandas-dev/pandas#35757


Gbp-Pq: Name disable_pytest_asyncio.patch

Author: Debian Science Team

pandas/util/_test_decorators.py

@@ -255,10 +255,6 @@ def new_func(*args, **kwargs):
 
 
 def async_mark():
-    try:
-        import_optional_dependency("pytest_asyncio")
-        async_mark = pytest.mark.asyncio
-    except ImportError:
-        async_mark = pytest.mark.skip(reason="Missing dependency pytest-asyncio")
+    async_mark = pytest.mark.skip(reason="https://bugs.debian.org/969050")
 
     return async_mark