fix: None does not implement middleware when there are no middlewares

open-telemetry · Apr 19, 2023 · 90a8f9c · 90a8f9c
1 parent d01c96f
commit 90a8f9c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/...opentelemetry-instrumentation-falcon/src/opentelemetry/instrumentation/falcon/__init__.py b/...opentelemetry-instrumentation-falcon/src/opentelemetry/instrumentation/falcon/__init__.py
@@ -245,6 +245,9 @@ def __init__(self, *args, **kwargs):
 
         # inject trace middleware
         self._middlewares_list = kwargs.pop("middleware", [])
+        if self._middlewares_list is None:
+            self._middlewares_list = []
+
         tracer_provider = otel_opts.pop("tracer_provider", None)
         meter_provider = otel_opts.pop("meter_provider", None)
         if not isinstance(self._middlewares_list, (list, tuple)):