From 5881e52edca8dc32e0b68749f94bf02a2e438e3a Mon Sep 17 00:00:00 2001
From: Joey <513358386@qq.com>
Date: Thu, 16 Dec 2021 15:56:55 +0800
Subject: [PATCH] Support python3.10, import Mapping from collections.abc

---
 .travis.yml            | 2 ++
 nameko_tracer/utils.py | 8 ++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 317cad4..d0c2f6a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,8 @@ stages:
 
 jobs:
   include:
+  - python: 3.10.0
+    env: DEPS="nameko==3.0.0-rc11"
   - python: 3.6
     env: DEPS="--pre nameko"
   - python: 3.6
diff --git a/nameko_tracer/utils.py b/nameko_tracer/utils.py
index 2d2a96b..480abcc 100644
--- a/nameko_tracer/utils.py
+++ b/nameko_tracer/utils.py
@@ -1,7 +1,7 @@
-import collections
 from importlib import import_module
 import json
 import logging
+import sys
 
 import six
 
@@ -23,6 +23,10 @@ def serialise_to_string(value):
 
 def safe_for_serialisation(value):
     no_op_types = six.string_types + six.integer_types + (float, type(None))
+    if sys.version_info >= (3, 3):  # pragma: no cover
+        from collections.abc import Iterable  # pylint: disable=E0611,E0401
+    else:  # pragma: no cover
+        from collections import Iterable  # pylint: disable=E0611,E0401
     if isinstance(value, no_op_types):
         return value
     if isinstance(value, bytes):
@@ -31,7 +35,7 @@ def safe_for_serialisation(value):
         return {
             safe_for_serialisation(key): safe_for_serialisation(val)
             for key, val in six.iteritems(value)}
-    if isinstance(value, collections.Iterable):
+    if isinstance(value, Iterable):
         return list(map(safe_for_serialisation, value))
     try:
         return six.text_type(value)