This change replaces references to a number of deprecated NumPy type aliases (np.bool, np.int, np.float, np.complex, np.object, np.str) with their recommended replacement (bool, int, float, complex, object, str).
NumPy 1.24 drops the deprecated aliases, so we must remove uses before updating NumPy.
PiperOrigin-RevId: 497194550
__xrange()__ was removed in Python 3 in favor of a reworked version of __range()__.
[flake8](http://flake8.pycqa.org) testing of https://github.com/tensorflow/privacy on Python 3.7.1
$ __flake8 . --count --select=E9,F63,F72,F82 --show-source --statistics__
```
./privacy/optimizers/gaussian_query_test.py:65:16: F821 undefined name 'xrange'
for _ in xrange(1000):
^
./research/pate_2018/ICLR2018/rdp_bucketized.py:79:12: F821 undefined name 'xrange'
for i in xrange(n):
^
./research/pate_2018/ICLR2018/rdp_bucketized.py:106:12: F821 undefined name 'xrange'
for i in xrange(n):
^
./research/pate_2018/ICLR2018/rdp_bucketized.py:139:12: F821 undefined name 'xrange'
for i in xrange(n):
^
4 F821 undefined name 'xrange'
4
```
__E901,E999,F821,F822,F823__ are the "_showstopper_" [flake8](http://flake8.pycqa.org) issues that can halt the runtime with a SyntaxError, NameError, etc. These 5 are different from most other flake8 issues which are merely "style violations" -- useful for readability but they do not effect runtime safety.
* F821: undefined name `name`
* F822: undefined name `name` in `__all__`
* F823: local variable name referenced before assignment
* E901: SyntaxError or IndentationError
* E999: SyntaxError -- failed to compile a file into an Abstract Syntax Tree
