Fix issue with fetching serial number (closes #35)

[ci skip]: Bump docker/build-push-action from 2.6.1 to 2.7.0

.github/workflows/publish.yml

@@ -12,9 +12,9 @@ jobs:
         runs-on: ubuntu-20.04
         steps:
             - name: Checkout code
-              uses: actions/checkout@v2.3.4
+              uses: actions/checkout@v2.3.5
             - name: Bump version
-              uses: remorses/bump-version@js
+              uses: chamini2/bump-version@js
               id: version
               with:
                   version_file: ./VERSION
@@ -22,7 +22,7 @@ jobs:
               env:
                   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
             - name: Checkout code
-              uses: actions/checkout@v2.3.4
+              uses: actions/checkout@v2.3.5
               with:
                   ref: main
             - name: Set up QEMU
@@ -30,14 +30,14 @@ jobs:
               with:
                   platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
             - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v1.5.1
+              uses: docker/setup-buildx-action@v1.6.0
             - name: Login to DockerHub
               uses: docker/login-action@v1.10.0
               with:
                   username: ${{ secrets.DOCKER_USERNAME }}
                   password: ${{ secrets.DOCKER_PASSWORD }}
             - name: Build and push
-              uses: docker/build-push-action@v2.6.1
+              uses: docker/build-push-action@v2.7.0
               with:
                   context: .
                   push: true

VERSION

@@ -1 +1 @@
-1.0.9
+1.0.10

requirements.txt

@@ -1,3 +1,3 @@
 amcrest==1.9.3
-paho-mqtt==1.5.1
+paho-mqtt==1.6.1
 python-slugify==5.0.2

src/amcrest2mqtt.py

@@ -149,7 +149,12 @@ try:
     is_ad110 = device_type == "AD110"
     is_ad410 = device_type == "AD410"
     is_doorbell = is_ad110 or is_ad410
-    serial_number = camera.serial_number.strip()
+    serial_number = camera.serial_number
+
+    if not isinstance(serial_number, str):
+        log(f"Error fetching serial number", level="ERROR")
+        exit_gracefully(1)
+
     sw_version = camera.software_information[0].replace("version=", "").strip()
     device_name = camera.machine_name.replace("name=", "").strip()
     device_slug = slugify(device_name, separator="_")