check if flag exists

Author: alexander-alderman-webb

tests/integrations/threading/test_threading.py

@@ -70,8 +70,7 @@ def stage2():
     assert not exception["mechanism"]["handled"]
 
     # Free-threaded builds set thread_inherit_context to True, otherwise thread_inherit_context is False
-    # https://docs.python.org/3/howto/free-threading-python.html
-    if propagate_hub or sys.flags.thread_inherit_context:
+    if propagate_hub or getattr(sys.flags, "thread_inherit_context", None):
         assert event["tags"]["stage1"] == "true"
     else:
         assert "stage1" not in event.get("tags", {})
@@ -98,8 +97,7 @@ def double(number):
     sentry_sdk.flush()
 
     # Free-threaded builds set thread_inherit_context to True, otherwise thread_inherit_context is False
-    # https://docs.python.org/3/howto/free-threading-python.html
-    if propagate_hub or sys.flags.thread_inherit_context:
+    if propagate_hub or getattr(sys.flags, "thread_inherit_context", None):
         assert len(events) == 1
         (event,) = events
         assert event["spans"][0]["trace_id"] == event["spans"][1]["trace_id"]
@@ -255,8 +253,7 @@ def do_some_work(number):
     (event,) = events
 
     # Free-threaded builds set thread_inherit_context to True, otherwise thread_inherit_context is False
-    # https://docs.python.org/3/howto/free-threading-python.html
-    if propagate_scope or sys.flags.thread_inherit_context:
+    if propagate_scope or getattr(sys.flags, "thread_inherit_context", None):
         assert render_span_tree(event) == dedent(
             """\
             - op="outer-trx": description=null
@@ -318,8 +315,7 @@ def do_some_work(number):
     (event,) = events
 
     # Free-threaded builds set thread_inherit_context to True, otherwise thread_inherit_context is False
-    # https://docs.python.org/3/howto/free-threading-python.html
-    if propagate_scope or sys.flags.thread_inherit_context:
+    if propagate_scope or getattr(sys.flags, "thread_inherit_context", None):
         assert render_span_tree(event) == dedent(
             """\
             - op="outer-trx": description=null