fix B3Codec extract bug

jaegertracing · Jan 18, 2021 · be3efd0 · be3efd0
1 parent 72a1dd1
commit be3efd0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jaeger_client/codecs.py b/jaeger_client/codecs.py
@@ -296,7 +296,7 @@ def inject(self, span_context, carrier):
             carrier[self.sampled_header] = '1'
 
     def extract(self, carrier):
-        if not isinstance(carrier, dict):
+        if not hasattr(carrier, 'items'):
             raise InvalidCarrierException('carrier not a dictionary')
         trace_id = span_id = parent_id = None
         flags = 0x00