Public bug reported:
Reconfigure results in:
```
Traceback (most recent call last):
File "/usr/share/lyx/configure.py", line 1899, in <module>
ret = checkLatexConfig(lyx_check_config and LATEX, bool_docbook)
File "/usr/share/lyx/configure.py", line 1420, in checkLatexConfig
for line in open(file, 'r', encoding='utf8').readlines():
File "/usr/lib/python3.8/codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa9 in position 845:
invalid start byte
support/Systemcall.cpp (276): Systemcall: 'python3 -tt
"/usr/share/lyx/configure.py" --binary-dir="/usr/bin/"' finished with exit code
1
```
Running 'python3 -tt "/usr/share/lyx/configure.py" --binary-
dir="/usr/bin/"' in a terminal does *not* result in the error LyX is
reporting and instead appears to complete successfully.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: lyx 2.3.4.2-2
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Wed Apr 29 10:50:55 2020
InstallationDate: Installed on 2014-05-08 (2182 days ago)
InstallationMedia: Linux Mint 16 "petra" - Release amd64 20131126
SourcePackage: lyx
UpgradeStatus: Upgraded to focal on 2020-04-25 (4 days ago)
** Affects: lyx (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1875909
Title:
LyX can't build PDFs / missing begin document
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