まだやっている

講師を呼ばないプログラミング教室（講師を呼ばないというが参加者はプロの方）https://www.facebook.com/groups/1986693884906016　に無謀にも参加し半年が過ぎた。人まね小猿から脱却したい日曜プログラマーである。ラズパイにDHT11（温湿度計という名の電子部品）を接続し、phthonを動かしている。（他人のプログラムをコピーしているだけで書いてはいない、動かしているだけである）エラーが発生している。エラー表示が出るのだが・・

# Use Raspberry Pi to get temperature/humidity from DHT11 sensor
# Project Tutorial Url:http://osoyoo.com/2016/12/01/use-raspberry-pi-display-temperaturehumidity-to-i2c-lcd-screen/
#
import smbus
import time
import dht11
import RPi.GPIO as GPIO

#define GPIO 14 as DHT11 data pin
Temp_sensor=14

# Define some device parameters
I2C_ADDR = 0x3f # I2C device address, if any error, change this address to 0x27
LCD_WIDTH = 16 # Maximum characters per line

# Define some device constants
LCD_CHR = 1 # Mode - Sending data
LCD_CMD = 0 # Mode - Sending command

LCD_LINE_1 = 0x80 # LCD RAM address for the 1st line
LCD_LINE_2 = 0xC0 # LCD RAM address for the 2nd line
LCD_LINE_3 = 0x94 # LCD RAM address for the 3rd line
LCD_LINE_4 = 0xD4 # LCD RAM address for the 4th line

LCD_BACKLIGHT = 0x08 # On
#LCD_BACKLIGHT = 0x00 # Off

ENABLE = 0b00000100 # Enable bit

# Timing constants
E_PULSE = 0.0005
E_DELAY = 0.0005

#Open I2C interface
#bus = smbus.SMBus(0) # Rev 1 Pi uses 0
bus = smbus.SMBus(1) # Rev 2 Pi uses 1

def lcd_init():
# Initialise display
lcd_byte(0x33,LCD_CMD) # 110011 Initialise
lcd_byte(0x32,LCD_CMD) # 110010 Initialise
lcd_byte(0x06,LCD_CMD) # 000110 Cursor move direction
lcd_byte(0x0C,LCD_CMD) # 001100 Display On,Cursor Off, Blink Off
lcd_byte(0x28,LCD_CMD) # 101000 Data length, number of lines, font size
lcd_byte(0x01,LCD_CMD) # 000001 Clear display
time.sleep(E_DELAY)

def lcd_byte(bits, mode):
# Send byte to data pins
# bits = the data
# mode = 1 for data
# 0 for command

bits_high = mode | (bits & 0xF0) | LCD_BACKLIGHT
bits_low = mode | ((bits<<4) & 0xF0) | LCD_BACKLIGHT

# High bits
bus.write_byte(I2C_ADDR, bits_high)
lcd_toggle_enable(bits_high)

# Low bits
bus.write_byte(I2C_ADDR, bits_low)
lcd_toggle_enable(bits_low)

def lcd_toggle_enable(bits):
# Toggle enable
time.sleep(E_DELAY)
bus.write_byte(I2C_ADDR, (bits | ENABLE))
time.sleep(E_PULSE)
bus.write_byte(I2C_ADDR,(bits & ~ENABLE))
time.sleep(E_DELAY)

def lcd_string(message,line):
# Send string to display

message = message.ljust(LCD_WIDTH," ")

lcd_byte(line, LCD_CMD)

for i in range(LCD_WIDTH):
lcd_byte(ord(message[i]),LCD_CHR)

def main():
# Main program block
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
# Initialise display
lcd_init()
instance = dht11.DHT11(pin = Temp_sensor)

while True:
#get DHT11 sensor value
result = instance.read()
# Send some test

if result.is_valid():
lcd_string("temp:"+str(result.temperature)+" C",LCD_LINE_1)
lcd_string("humid:"+str(result.humidity)+"%",LCD_LINE_2)
time.sleep(3) # 3 second delay
lcd_string("Read Tutorial: ",LCD_LINE_1)
lcd_string("osoyoo.com",LCD_LINE_2)
time.sleep(3)

if __name__ == '__main__':

try:
main()
except KeyboardInterrupt:
pass
finally:
lcd_byte(0x01, LCD_CMD)

エラーの内容は

Python 3.7.3 (/usr/bin/python3)
>>> %cd /home/pi
>>> %FastDebug pi-dht11-i2clcd.py
Traceback (most recent call last):
File "/usr/lib/python3.7/ast.py", line 35, in parse
return compile(source, filename, mode, PyCF_ONLY_AST)
File "/home/pi/pi-dht11-i2clcd.py", line 98
result = instance.read()
^
TabError: inconsistent use of tabs and spaces in indentation
>>>

温度は測ってるし

i2cで繋がってるし、helloしてるし。

35行目は　# Timing constants

98行目は　result = instance.read()

pythonのプログラムが読めるようになればなあ