From d71bfce2a054579a4fcef640ca587f11a3b44b62 Mon Sep 17 00:00:00 2001
From: Mingfei Shao <2475897+mfshao@users.noreply.github.com>
Date: Wed, 26 Apr 2023 10:56:10 -0500
Subject: [PATCH] Update main.yml

---
 .github/workflows/main.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 390f60b..9a3c21d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,8 +7,10 @@
 name: build
 
 # Controls when the workflow will run
-on: 
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
   push:
+    branches: [ "main" ]
   #pull_request:
   #  branches: [ "main" ]
 
@@ -30,8 +32,8 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: '3.9'
-          cache: pip
+          cache: 'pip' # caching pip dependencies
       # install dependencies listed in requirements.txt file
-      - run: python3 -m pip install -r requirements.txt
+      - run: pip install -r requirements.txt
       # deploy mkdocs to github pages
       - run: mkdocs gh-deploy --force --clean --verbose