I have a new version - 64-bit - you should be able to install it on top of what you have and the installed modules should still be there., e.g.,
+-----------------------------------------------------------------------------+
Summaries:
+-----------------------------------------------------------------------------+
Installation Summary
--------------------
Name Level Part Event Result
-------------------------------------------------------------------------------
aixtools.python3.rte 3.6.8.0 USR APPLY SUCCESS
aixtools.python3.adt 3.6.8.0 USR APPLY SUCCESS
root@x067:[/home/root]pip list
Package Version
----------- ---------
altgraph 0.16.1
future 0.17.1
macholib 1.11
pefile 2019.4.18
pip 19.1
PyInstaller 3.4
setuptools 40.6.2
You are using pip version 19.1, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
And
root@x067:[/home/root/python/hello]pyinstaller --onefile hello.py
119 INFO: PyInstaller: 3.4
119 INFO: Python: 3.6.8
166 INFO: Platform: AIX-1-00C291F54C00-powerpc-64bit-COFF
168 INFO: wrote /home/root/python/hello/hello.spec
208 INFO: UPX is not available.
212 INFO: Extending PYTHONPATH with paths
['/home/root/python/hello', '/home/root/python/hello']
213 INFO: checking Analysis
220 INFO: Building because _python_version changed
220 INFO: Initializing module dependency graph...
223 INFO: Initializing module graph hooks...
227 INFO: Analyzing base_library.zip ...
13260 INFO: running Analysis Analysis-00.toc
15014 INFO: Caching module hooks...
15030 INFO: Analyzing /home/root/python/hello/hello.py
15045 INFO: Loading module hooks...
15047 INFO: Loading module hook "hook-encodings.py"...
15268 INFO: Loading module hook "hook-pydoc.py"...
15270 INFO: Loading module hook "hook-xml.py"...
16102 INFO: Looking for ctypes DLLs
16102 INFO: Analyzing run-time hooks ...
16126 INFO: Looking for dynamic libraries
ldd: /usr/lib/libcrypto.a: File is an archive.
ldd: /usr/lib/libssl.a: File is an archive.
39262 INFO: Looking for eggs
39263 INFO: Python library not in binary dependencies. Doing additional searching...
39812 INFO: Using Python library /lib/libpython3.6.a
39827 INFO: Warnings written to /home/root/python/hello/build/hello/warn-hello.txt
39919 INFO: Graph cross-reference written to /home/root/python/hello/build/hello/xref-hello.html
39994 INFO: checking PYZ
39998 INFO: Building because toc changed
39998 INFO: Building PYZ (ZlibArchive) /home/root/python/hello/build/hello/PYZ-00.pyz
40958 INFO: Building PYZ (ZlibArchive) /home/root/python/hello/build/hello/PYZ-00.pyz completed successfully.
40967 INFO: checking PKG
40969 INFO: Building because toc changed
40969 INFO: Building PKG (CArchive) PKG-00.pkg
77487 INFO: Building PKG (CArchive) PKG-00.pkg completed successfully.
78656 INFO: Bootloader /opt/lib/python3.6/site-packages/PyInstaller-3.4-py3.6.egg/PyInstaller/bootloader/AIX-64bit/run
78657 INFO: checking EXE
78659 INFO: Building because toc changed
78660 INFO: Building EXE from EXE-00.toc
78673 INFO: Appending archive to EXE /home/root/python/hello/dist/hello
81131 INFO: Building EXE from EXE-00.toc completed successfully.