[Bug 2145034] Re: py3compile fails due to LD_PRELOAD ='' in environment (in some cases)

[Paul Cosway]

Further update: 
I dug some more and found the Termux repo source where that line of code is added as a patch.  I have posted a bug there.  Presumably there is a reason that change is made both here and there ... and that any fixes should be in both places!

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Title:
  py3compile fails due to LD_PRELOAD ='' in environment (in some cases)

Status in python3-defaults package in Ubuntu:
  New

Bug description:
  System:   Samsung Galaxy S6 running Android 7.0, with fresh install of
  Termux 0.118.3

  When I install python using pkg install python I get the following error:
  Traceback (most recent call last):
    File "/data/data/com.termux/files/usr/bin/py3compile", line 323, in <module>
      main()
      ~~~~^^
    File "/data/data/com.termux/files/usr/bin/py3compile", line 284, in main
      pkg_files = tuple(dpf.from_package(options.package))
    File "/data/data/com.termux/files/usr/lib/python3.13/debpython/files.py", line 85, in from_package
      raise Exception("cannot get content of %s" % package_name)
  Exception: cannot get content of python

  Same messages also appear for python-pip.

  Note:  I don't actually know if this creates a problem with the
  installation!  I assume that it must, as files.py is not returning the
  expected results.

  I have tested several changes to files.py and determined that the
  cause of the error seems to be the line:  env["LD_PRELOAD"] = "".   If
  I remove that, the install works fine.

  I have done the same installation on a Lenovo tablet running Android
  11 and it works fine, so the LD_PRELOAD is not always a problem.   I
  do not know enough to have any theory about why it causes a problem on
  the Android 7 device.   I have done factory resets and several
  reinstalls of Termux and always get the same problem from files.py.

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