Find any TV channel logo.

# pip install tvlogo.monster   (imported as: import tvlogo)
from tvlogo import Client

# 1. one client per program (reuses the HTTPS connection, no API key needed)
client = Client()

# 2. resolve one key: tvg-id, epg.monster id, call sign or channel name
logo = client.resolve(
    "PBS.Travel.plex.ca",
    size=256,  # 256x256 px PNG
)

# 3. None = no logo for this key (429 rate limits are retried after Retry-After)
if logo is None:
    raise SystemExit("no logo for this key")

# 4. use the image URL, e.g. as tvg-logo="..." in an M3U playlist
print(logo.image_url)
# which level answered: station, brand, network or channel
print(logo.resolved_level)
# True when a fallback was used (e.g. no dark variant -> default)
print(logo.fallback, logo.theme_served)