プログラムのエラーを修正したい

touch phat pimoroniというタッチセンサのプログラムを実行したとき下記のようなエラーがでてしまいます。これらを修正するにはどうすればいいのでしょうか。

Traceback (most recent call last):
File "/home/pi/touch sensor.py", line 3, in <module>
import touchphat
File "/usr/lib/python3/dist-packages/thonny/backend.py", line 305, in _custom_import
module = self._original_import(*args, **kw)
File "/usr/lib/python3/dist-packages/touchphat/init.py", line 13, in <module>
dh = cap1xxx.Cap1166(i2c_addr=0x2c)
File "/usr/lib/python3/dist-packages/cap1xxx.py", line 283, in init
self.product_id = self._get_product_id()
File "/usr/lib/python3/dist-packages/cap1xxx.py", line 469, in _get_product_id
return self._read_byte(R_PRODUCT_ID)
File "/usr/lib/python3/dist-packages/cap1xxx.py", line 494, in _read_byte
return self.i2c.read_byte_data(self.i2c_addr, register)
OSError: [Errno 121] Remote I/O error

Python
1import sys
2import time
3import touchphat
4
5stopped = True
6runtime = 0
7
8@touchphat.on_touch("Enter")
9def start_stop():
10    global start
11    global stopped
12    global runtime
13    if stopped:
14        start = time.time()
15        stopped = False
16    else:
17        stopped = True
18        runtime += (time.time() - start)
19
20@touchphat.on_touch("Back")
21def reset():
22    global runtime
23    runtime = 0
24
25blanks = " " * 25 + "\r"
26
27try:
28    while True:
29        if stopped and runtime > 0:
30            sys.stdout.write(blanks)
31            sys.stdout.write("Timer stopped: %i seconds\r" % runtime)
32            sys.stdout.flush()
33        elif stopped:
34            sys.stdout.write(blanks)
35            sys.stdout.write("Touch enter to start!\r")
36            sys.stdout.flush()
37        else:
38            sys.stdout.write(blanks)
39            sys.stdout.write("Timer running: %i seconds\r" % (runtime + (time.time() - start)))
40            sys.stdout.flush()
41        time.sleep(0.1)
42except KeyboardInterrupt():
43    sys.exit()