fix(sanic): handle headers extraction after multidict update

GSVarsha · GSVarsha · commit 1975b0a95138 · 2025-04-06T12:26:22.000+05:30
- `sanic.compat.Header` contains `__dict__` but does not store the dictionary in it

Signed-off-by: Varsha GS &lt;varsha.gs@ibm.com&gt;
diff --git a/src/instana/propagators/base_propagator.py b/src/instana/propagators/base_propagator.py
@@ -89,6 +89,8 @@ def extract_headers_dict(carrier: CarrierT) -> Optional[Dict]:
                 dc = carrier
             elif hasattr(carrier, "__dict__"):
                 dc = carrier.__dict__
+                if not dc:
+                    dc = dict(carrier)
             else:
                 dc = dict(carrier)
         except Exception:
