update travis yml

.travis.yml

@@ -1,30 +1,40 @@
 # .travis.yml
-
 language: python
+python:
+  - "3.9"
+
+# Specify the operating systems for testing
+os:
+  - linux
+  - osx
 
-matrix:
+# Define the build stages
+jobs:
   include:
-    - python: 3.9
+    - stage: Test
+      name: "Test on Linux"
+      script:
+        - pip install -r requirements.txt
+        - python3.9 setup.py develop
+        - python3.9 -m unittest discover
+
+    - stage: Test
+      name: "Test on macOS"
+      os: osx
+      script:
+        - pip install -r requirements.txt
+        - python3.9 setup.py develop
+        - python3.9 -m unittest discover
+
+# Define additional configurations
+branches:
+  only:
+    - main  # Adjust to your main branch name, e.g., master
 
-git:
-    submodules: true
+notifications:
+  email: false
 
-before_install:
-  - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then
-      wget https://repo.continuum.io/miniconda/Miniconda2-latest-Linux-x86_64.sh -O miniconda.sh;
-    else
-      wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
-    fi
-  - bash miniconda.sh -b -p $HOME/miniconda
-  - export PATH="$HOME/miniconda/bin:$PATH"
-  - hash -r
-  - conda config --set always_yes yes --set changeps1 no
-  - conda update -q conda
 
-install:
-  - conda create --yes -n test python=$TRAVIS_PYTHON_VERSION
-  - source activate test
-  - python setup.py develop
 
 #
 #language: python