CI targets changed

.github/workflows/CI.yml

@@ -1,6 +1,11 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
 
 jobs:
   test:
@@ -9,7 +14,7 @@ jobs:
       fail-fast: true
       matrix:
         os: ["ubuntu-latest", "macos-latest"]
-        python-version: ["3.6", "3.8", "3.10"]
+        python-version: ["3.6", "3.8", "3.9"]
 
     steps:
       - name: Checkout source
@@ -21,17 +26,11 @@ jobs:
           python-version: ${{ matrix.python-version }}
           architecture: x64
 
-      - name: Display Python version number
-        run: |
-          python -c "import sys; print(sys.version)"
-
       - name: Install
         run: |
           python -m pip install --upgrade pip
           pip install -e .
           pip install pytest
-          python -c "import numpy; print(numpy.__version__)"
-          python -c "import matplotlib; print(matplotlib.__version__)"
 
       - name: Run tests
         run: pytest