changing np.float to float

[ramav87]

np.float, np.int and np.complex are all deprecated in numpy 1.20. It is suggested to change these to float(), int() and complex() to avoid warnings during test (and potentially future errors). This update passes the tests without warnings (see below).

(base) D:\Github\nanonispy>pytest
================================================= test session starts =================================================
platform win32 -- Python 3.9.13, pytest-7.1.2, pluggy-1.0.0
rootdir: D:\Github\nanonispy
plugins: anyio-3.5.0
collected 26 items

tests\test_read.py ..........................                                                                    [100%]

================================================= 26 passed in 6.60s ==================================================

[ramav87]

Can you please accept the pull request and release a new version?

[RubelMozumder]

@underchemist, Would you please accept this pull request, and release a new version. We are getting errors while using this package as np.float is deprecated.

[ramav87]

Hi, can you please accept this PR??

[vanessa-king]

I also would like to see this change made. @underchemist please accept this PR.