update travis config

yuniszhang · yuniszhang · commit 6707709d28f5 · 2022-05-17T17:44:31.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,7 @@ python:
 - '3.5'
 - '3.6'
 - '3.7'
+- '3.10'
 install:
 - pip install requests
 - pip install six
@@ -13,6 +14,7 @@ install:
 - pip install dicttoxml
 - pip install crcmod
 - pip install pycryptodome
+- pip install importlib_metadata
 notifications:
   email:
     recipients:
