remember to copy __suppress_context__ for ExceptionGroup.

Author: WindSoilder

exceptiongroup/__init__.py

@@ -50,6 +50,7 @@ def __copy__(self):
         new_group.__traceback__ = self.__traceback__
         new_group.__context__ = self.__context__
         new_group.__cause__ = self.__cause__
+        new_group.__suppress_context__ = self.__suppress_context__
         return new_group
 
     def __str__(self):

exceptiongroup/_tests/test_exceptiongroup.py

@@ -1,8 +1,16 @@
+import copy
 import pytest
 
 from exceptiongroup import ExceptionGroup
 
 
+def raise_group():
+    try:
+        1 / 0
+    except Exception as e:
+        raise ExceptionGroup("ManyError", [e], [str(e)]) from e
+
+
 def test_exception_group_init():
     memberA = ValueError("A")
     memberB = RuntimeError("B")
@@ -47,3 +55,19 @@ def test_exception_group_str():
     assert "ExceptionGroup: " in repr(group)
     assert "memberA" in repr(group)
     assert "memberB" in repr(group)
+
+
+def test_exception_group_copy():
+    try:
+        raise_group()
+    except BaseException as e:
+        group = e
+    group.__suppress_context__ = False
+    another_group = copy.copy(group)
+    assert group.message == another_group.message
+    assert group.exceptions == another_group.exceptions
+    assert group.sources == another_group.sources
+    assert group.__traceback__ is another_group.__traceback__
+    assert group.__context__ is another_group.__context__
+    assert group.__cause__ is another_group.__cause__
+    assert group.__suppress_context__ == another_group.__suppress_context__