workflow only tirggers on main

Author: solomspd

.github/workflows/unittest.yaml

@@ -1,6 +1,12 @@
 name: Run unit tests
 run-name: Testing ${{ github.actor }}'s changes
-on: [pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 jobs:
   unit-test:
     runs-on: ubuntu-latest
@@ -20,6 +26,6 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: "3.11"
-      - run: pip install antlr4-python3-runtime==4.11.1 psycopg2 
+      - run: python -m pip install antlr4-python3-runtime==4.11.1 psycopg2
       - name: Run tests
         run: python -m unittest -v test_age_py test_agtypes.py