Broken read_mib.py module in version 0.14.18

Hi!
Looks like the read_mib.py module is broken in version 0.14.18.

-> Version 0.14.17:

datacube = py4DSTEM.import_file("data_scan64x64.mib", scan=(64,64))

Loads data without errors.

-> Version 0.14.18:

datacube = py4DSTEM.import_file("data_scan64x64.mib", scan=(64,64))

Error:

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
Cell In[3], [line 1](vscode-notebook-cell:?execution_count=3&line=1)
----> [1](vscode-notebook-cell:?execution_count=3&line=1) datacube = py4DSTEM.import_file("data_scan64x64.mib", scan=(64,64))

File c:\Users\AL282703\AppData\Local\miniforge3\envs\nt4dstem\Lib\site-packages\py4DSTEM\io\importfile.py:90, in import_file(filepath, mem, binfactor, filetype, **kwargs)
     [87](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:87) # elif filetype == "kitware_counted":
     [88](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:88) #    data = read_kitware_counted(filepath, mem, binfactor, metadata=metadata, **kwargs)
     [89](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:89) elif filetype == "mib":
---> [90](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:90)     data = load_mib(filepath, mem=mem, binfactor=binfactor, **kwargs)
     [91](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:91) elif filetype == "arina":
     [92](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/importfile.py:92)     from py4DSTEM.io.filereaders import read_arina

File c:\Users\AL282703\AppData\Local\miniforge3\envs\nt4dstem\Lib\site-packages\py4DSTEM\io\filereaders\read_mib.py:81, in load_mib(file_path, mem, binfactor, reshape, scan)
     [78](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/filereaders/read_mib.py:78)     print("Data type not supported as MIB reader")
     [80](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/filereaders/read_mib.py:80) if reshape:
---> [81](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/filereaders/read_mib.py:81)     data = data.reshape(scan[0], scan[1], width, height)
     [82](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/filereaders/read_mib.py:82) else:
     [83](file:///C:/Users/AL282703/AppData/Local/miniforge3/envs/nt4dstem/Lib/site-packages/py4DSTEM/io/filereaders/read_mib.py:83)     data = data[:, None, :, :]

TypeError: 'NoneType' object is not subscriptable

I can work with version 0.14.17 right now, but that might be a problem in the future. Maybe this is fixed in version 0.14.19? Could you take a look?

Thanks!

Reproduce the failure with py4DSTEM.import_file("data_scan64x64.mib", scan=(64,64)) and compare versions 0.14.17 and 0.14.18. Start in py4DSTEM/io/filereaders/read_mib.py at load_mib, reached through py4DSTEM/io/importfile.py, and trace the reshape path. Done means the MIB file loads with the scan argument without the NoneType error.