Trouble to connect RM mini 3 on Window 7

Hi: here is my configuration.yaml

homeassistant:
  # Name of the location where Home Assistant is running
  name: Home
  # Location required to calculate the time the sun rises and sets
  latitude: 43.6313
  longitude: -79.7148
  # Impacts weather/sunrise data (altitude above sea level in meters)
  elevation: 190
  # metric for Metric, imperial for Imperial
  unit_system: metric
  # Pick yours from here: http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
  time_zone: America/Toronto

# Show links to resources in log and frontend
introduction:

# Enables the frontend
frontend:

# Enables configuration UI
config:

http:
  # Uncomment this to add a password (recommended!)
  # api_password: PASSWORD
  # Uncomment this if you are using SSL or running in Docker etc
  # base_url: example.duckdns.org:8123

# Checks for available updates
updater:

# Discover some devices automatically
discovery:
  
#Broadlink RM 3
switch:
  - platform: broadlink
    host: 192.168.85.129
    mac: 'b4:43:0d:f9:20:fd'
    type: rm_mini
    timeout: 15    
		
# Allows you to issue voice commands from the frontend in enabled browsers
conversation:

# Enables support for tracking state changes over time.
history:

# View all events in a logbook
logbook:

# Track the sun
sun:

# Weather Prediction
sensor:
  platform: yr

# Text to speech
tts:
  platform: google

group: !include groups.yaml

and I keep getting error

←[31m17-09-08 23:30:57 ERROR (<concurrent.futures.thread.ThreadPoolExecutor obje
ct at 0x0000000003B4EBE0>_2) [homeassistant.util.yaml] while scanning for the ne
xt token
found character ‘\t’ that cannot start any token
in “B:\Users\yyandjj\AppData\Roaming.homeassistant\configuration.yaml”, line
42, column 1←[0m
←[31m17-09-08 23:30:57 ERROR (MainThread) [homeassistant.components] while scann
ing for the next token
found character ‘\t’ that cannot start any token
in “B:\Users\yyandjj\AppData\Roaming.homeassistant\configuration.yaml”, line
42, column 1←[0m

Please help

Thanks

You have a tab at the beginning of line 42. Use spaces instead of tabs in your config files.

Thanks, delete that tab correct the error.