👷 修复 pypi ci 文件错误

.github/workflows/python.yml

@@ -2,25 +2,25 @@ name: Upload Python Package
 
 on:
   # 当master分支有push时，触发action
-  push: 
-    branches:
-      - master
+  #push:
+    #branches:
+      #- master
   
   # 当一个pr被合并到master时，触发action
-  pull_request:
-    branches:
-      - master
+  #pull_request:
+    #branches:
+      #- master
   
   # 当发布时，触发action
-  #release:
-  #  types: [created]
+  release:
+    types: [created]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8"]
+        python-version: ["3.6"]
     steps:
     # 此步骤使用 GitHub 的 https://github.com/actions/checkout
     - uses: actions/checkout@v2
@@ -31,6 +31,7 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
+
     # 安装依赖
     - name: Install dependencies
       run: |