Update Python version

.github/workflows/appimage.yml

@@ -15,16 +15,22 @@ jobs:
         image: ['1', '2010', '2014']
         arch: [x86_64, i686]
         tag: [cp27-cp27m, cp27-cp27mu, cp35-cp35m, cp36-cp36m, cp37-cp37m,
-              cp38-cp38, cp39-cp39]
+              cp38-cp38, cp39-cp39, cp310-cp310]
         exclude:
+          - image: '1'
+            tag: cp310-cp310
           - image: '2010'
             tag: cp27-cp27m
           - image: '2010'
             tag: cp27-cp27mu
+          - image: '2010'
+            tag: cp35-cp35m
           - image: '2014'
             tag: cp27-cp27m
           - image: '2014'
             tag: cp27-cp27mu
+          - image: '2014'
+            tag: cp35-cp35m
 
     steps:
     - uses: actions/checkout@v2
@@ -62,7 +68,7 @@ jobs:
     if: github.ref == 'refs/heads/master'
     strategy:
       matrix:
-        version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9]
+        version: ['2.7', '3.5', '3.6', '3.7', '3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/download-artifact@v1