cant run view.py

[garimss]

(fastai-3.7) D:\git_hub\3D\PointSetGeneration\demo>python view.py r1.png.txt
Traceback (most recent call last):
File "view.py", line 4, in
a=np.loadtxt(sys.argv[1])
File "C:\Users\Garima\Anaconda3\envs\fastai-3.7\lib\site-packages\numpy\lib\npyio.py", line 1101, in loadtxt
for x in read_data(_loadtxt_chunksize):
File "C:\Users\Garima\Anaconda3\envs\fastai-3.7\lib\site-packages\numpy\lib\npyio.py", line 1028, in read_data
items = [conv(val) for (conv, val) in zip(converters, vals)]
File "C:\Users\Garima\Anaconda3\envs\fastai-3.7\lib\site-packages\numpy\lib\npyio.py", line 1028, in
items = [conv(val) for (conv, val) in zip(converters, vals)]
File "C:\Users\Garima\Anaconda3\envs\fastai-3.7\lib\site-packages\numpy\lib\npyio.py", line 746, in floatconv
return float(x)
ValueError: could not convert string to float: '-0.07616415-0.1313511'