first comit

venv/lib/python3.10/site-packages/exceptiongroup/_suppress.py

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+import sys
+from contextlib import AbstractContextManager
+
+if sys.version_info < (3, 11):
+    from ._exceptions import BaseExceptionGroup
+
+
+class suppress(AbstractContextManager):
+    """Backport of :class:`contextlib.suppress` from Python 3.12.1."""
+
+    def __init__(self, *exceptions):
+        self._exceptions = exceptions
+
+    def __enter__(self):
+        pass
+
+    def __exit__(self, exctype, excinst, exctb):
+        # Unlike isinstance and issubclass, CPython exception handling
+        # currently only looks at the concrete type hierarchy (ignoring
+        # the instance and subclass checking hooks). While Guido considers
+        # that a bug rather than a feature, it's a fairly hard one to fix
+        # due to various internal implementation details. suppress provides
+        # the simpler issubclass based semantics, rather than trying to
+        # exactly reproduce the limitations of the CPython interpreter.
+        #
+        # See http://bugs.python.org/issue12029 for more details
+        if exctype is None:
+            return
+
+        if issubclass(exctype, self._exceptions):
+            return True
+
+        if issubclass(exctype, BaseExceptionGroup):
+            match, rest = excinst.split(self._exceptions)
+            if rest is None:
+                return True
+
+            raise rest
+
+        return False