np.int deprecated newer version of numpy post-Ubuntu 20.04 upgrade

Some pysmurf functions are crashing in latest pysmurf release R7.3.1 due to deprecation of np.int in newer numpy version now being used in the dockers. E.g. get this error when trying to run S.read_adc_data or S.read_dac_data:
AttributeError                            Traceback (most recent call last)
Cell In[14], line 1
----> 1 S.read_adc_data(data_length=2**16, band=4, make_plot=True, show_plot=True)

File /usr/local/src/pysmurf/python/pysmurf/client/util/pub.py:50, in set_action.<locals>.dec.<locals>.wrapper(S, pub_action, *args, **kwargs)
     46             S.pub._action = func.__name__
     48         S.pub._action_ts = S.get_timestamp()
---> 50     rv = func(S, *args, **kwargs)
     52 finally:
     53     if is_top:

File /usr/local/src/pysmurf/python/pysmurf/client/util/smurf_util.py:1584, in SmurfUtilMixin.read_adc_data(self, band, data_length, hw_trigger, make_plot, save_data, timestamp, show_plot, save_plot, plot_ylimits)
   1581 bay=self.band_to_bay(band)
   1582 adc_number=band%4
-> 1584 self.setup_daq_mux('adc', adc_number, data_length,band=band)
   1586 res = self.read_stream_data_daq(data_length, bay=bay,
   1587     hw_trigger=hw_trigger)
   1588 dat = res[1] + 1.j * res[0]

File /usr/local/src/pysmurf/python/pysmurf/client/util/pub.py:50, in set_action.<locals>.dec.<locals>.wrapper(S, pub_action, *args, **kwargs)
     46             S.pub._action = func.__name__
     48         S.pub._action_ts = S.get_timestamp()
---> 50     rv = func(S, *args, **kwargs)
     52 finally:
     53     if is_top:

File /usr/local/src/pysmurf/python/pysmurf/client/util/smurf_util.py:1780, in SmurfUtilMixin.setup_daq_mux(self, converter, converter_number, data_length, band, debug, write_log)
   1777     daq_mux_channel1 = 23
   1779 # setup buffer size
-> 1780 self.set_buffer_size(bay, data_length, debug)
   1782 # input mux select
   1783 self.set_input_mux_sel(bay, 0, daq_mux_channel0,
   1784                        write_log=write_log)

File /usr/local/src/pysmurf/python/pysmurf/client/util/pub.py:50, in set_action.<locals>.dec.<locals>.wrapper(S, pub_action, *args, **kwargs)
     46             S.pub._action = func.__name__
     48         S.pub._action_ts = S.get_timestamp()
---> 50     rv = func(S, *args, **kwargs)
     52 finally:
     53     if is_top:

File /usr/local/src/pysmurf/python/pysmurf/client/util/smurf_util.py:1807, in SmurfUtilMixin.set_buffer_size(self, bay, size, debug, write_log)
   1805 self.set_data_buffer_size(bay, size, write_log=True)
   1806 for daq_num in np.arange(2):
-> 1807     s = self.get_waveform_start_addr(bay, daq_num, convert=True,
   1808         write_log=debug)
   1809     e = s + 4*size
   1810     self.set_waveform_end_addr(bay, daq_num, e, convert=True,
   1811         write_log=debug)

File /usr/local/src/pysmurf/python/pysmurf/client/command/smurf_command.py:3225, in SmurfCommandMixin.get_waveform_start_addr(self, bay, engine, convert, **kwargs)
   3219 val = self._caget(
   3220     self.waveform_engine_buffers_root.format(bay) +
   3221     self._start_addr_reg.format(engine),
   3222     **kwargs)
   3224 if convert:
-> 3225     return self.hex_string_to_int(val)
   3226 else:
   3227     return val

File /usr/local/src/pysmurf/python/pysmurf/client/util/smurf_util.py:2514, in SmurfUtilMixin.hex_string_to_int(self, s)
   2500 def hex_string_to_int(self, s):
   2501     """
   2502     Converts hex string, which is an array of characters, into an int.
   2503
   (...)
   2512        The 64 bit int.
   2513     """
-> 2514     return np.int(''.join([chr(x) for x in s]),0)

File /usr/local/lib/python3.8/dist-packages/numpy/__init__.py:305, in __getattr__(attr)
    300     warnings.warn(
    301         f"In the future `np.{attr}` will be defined as the "
    302         "corresponding NumPy scalar.", FutureWarning, stacklevel=2)
    304 if attr in __former_attrs__:
--> 305     raise AttributeError(__former_attrs__[attr])
    307 # Importing Tester requires importing all of UnitTest which is not a
    308 # cheap import Since it is mainly used in test suits, we lazy import it
    309 # here to save on the order of 10 ms of import time for most users
    310 #
    311 # The previous way Tester was imported also had a side effect of adding
    312 # the full `numpy.testing` namespace
    313 if attr == 'testing':

AttributeError: module 'numpy' has no attribute 'int'.
`np.int` was a deprecated alias for the builtin `int`. To avoid this error in existing code, use `int` by itself. Doing this will not modify any behavior and is safe. When replacing `np.int`, you may wish to use e.g. `np.int64` or `np.int32` to specify the precision. If you wish to review your current use, check the release note link for additional information.
The aliases was originally deprecated in NumPy 1.20; for more details and guidance see the original release note at:
    https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
slaclab / pysmurf

np.int deprecated newer version of numpy post-Ubuntu 20.04 upgrade #770
