[BUG] XMLTV - tv_grab_zz_sdjson can't determine local timezone

[raccettura]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

2023-07-06 01:37:35.602 xmltv: /usr/bin/tv_grab_zz_sdjson: no output detected
2023-07-06 01:37:35.602 xmltv: /usr/bin/tv_grab_zz_sdjson: grab returned no data

Expected Behavior

Timezone should be set via:

export TZ=Timezone

Steps To Reproduce

1. Setup XMLTV
2. Try and run

Environment

- OS:
- How docker service was installed:

CPU architecture

x86-64

Docker creation

  tvheadend:
    image: linuxserver/tvheadend
    container_name: tvheadend
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Americas/New_York
#      - RUN_OPTS=<run options here> #optional
    volumes:
      - ./data/tvheadend/config:/config
      - ./data/tvheadend/.xmltv:/.xmltv
      - /mnt/video/:/recordings
    labels:
     - "autoheal=true"
    ports:
      - 9981:9981
      - 9982:9982
    network_mode: host
    devices:
      - /dev/dri:/dev/dri #optional
    restart: unless-stopped

Container logs

.

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