fix workflow error

Author: terriko

.github/workflows/pythonapp.yml

@@ -3,7 +3,7 @@ name: cve-bin-tool
 on: [push, pull_request]
 
 jobs:
-  black_check:
+  check:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
@@ -27,8 +27,7 @@ jobs:
     strategy:
       matrix:
          os: [ubuntu-latest, windows-latest]
-         python: [2.7, 3.6, 3.7]
-      fail-fast: false
+         python: [3.6, 3.7]
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python