Windows 7 "SystemError: Negative size passed to PyUnicode_New" about xpra HOT 6 CLOSED

Python path configuration:
  PYTHONHOME = (not set)
  PYTHONPATH = (not set)
  program name = 'D:\Xpra\Xpra_cmd.exe'
  isolated = 0
  environment = 0
  user site = 1
  safe_path = 0
  import site = 0
  is in build tree = 0
  stdlib dir = ''
  sys._base_executable = 'D:\\Xpra\\Xpra_cmd.exe'
  sys.base_prefix = ''
  sys.base_exec_prefix = ''
  sys.platlibdir = 'lib'
  sys.executable = 'D:\\Xpra\\Xpra_cmd.exe'
  sys.prefix = ''
  sys.exec_prefix = ''
  sys.path = [
    'D:\\Xpra\\lib\\library.zip',
    'D:\\Xpra\\lib',
  ]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
Traceback (most recent call last):
  File "<frozen importlib._bootstrap_external>", line 1441, in _path_importer_cache
KeyError: 'D:\\Xpra\\lib\\library.zip'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<frozen zipimport>", line 92, in __init__
KeyError: 'D:\\Xpra\\lib\\library.zip'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1138, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 1078, in _find_spec
  File "<frozen importlib._bootstrap_external>", line 1508, in find_spec
  File "<frozen importlib._bootstrap_external>", line 1477, in _get_spec
  File "<frozen importlib._bootstrap_external>", line 1443, in _path_importer_cache
  File "<frozen importlib._bootstrap_external>", line 1419, in _path_hooks
  File "<frozen zipimport>", line 94, in __init__
  File "<frozen zipimport>", line 517, in _read_directory
  File "<frozen importlib._bootstrap_external>", line 108, in _path_join
SystemError: Negative size passed to PyUnicode_New

Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding

ALLUSERSPROFILE=C:\ProgramData
APPDATA=C:\Users\Person\AppData\Roaming
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
CommonProgramW6432=C:\Program Files\Common Files
COMPOSE_CONVERT_WINDOWS_PATHS=true
COMPUTERNAME=Person-PC
ComSpec=C:\Windows\system32\cmd.exe
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Users\Person
LOCALAPPDATA=C:\Users\Person\AppData\Local
LOGONSERVER=\\Person-PC
NUMBER_OF_PROCESSORS=8
OS=Windows_NT
Path=D:\lua54\install\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;d:\LLVM\bin;D:\CMake\;in;C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;D:\Rust\bin;D:\Git\cmd;d:\Bandizip\;D:\RTIDDS\rti_connext_dds-6.1.1\bin;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin;C:\Program Files (x86)\MSBuild\14.0\Bin
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.PY;.PYW
PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 94 Stepping 3, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=5e03
ProgramData=C:\ProgramData
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
ProgramW6432=C:\Program Files
PROMPT=$P$G
PSModulePath=C:\Windows\system32\WindowsPowerShell\v1.0\Modules\;C:\Program Files\Intel\Wired Networking\
PUBLIC=C:\Users\Public
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\Windows
TEMP=C:\Users\Person\AppData\Local\Temp
TMP=C:\Users\Person\AppData\Local\Temp
USERDOMAIN=Person-PC
USERDOMAIN_ROAMINGPROFILE=Person-PC
USERNAME=Person
USERPROFILE=C:\Users\Person
VS140COMNTOOLS=C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools\
windir=C:\Windows
windows_tracing_flags=3
windows_tracing_logfile=C:\BVTBin\Tests\installpackage\csilogfile.log

Path=D:\lua54\install\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;d:\LLVM\bin;D:\CMake\;in;C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;D:\Rust\bin;D:\Git\cmd;d:\Bandizip\;D:\RTIDDS\rti_connext_dds-6.1.1\bin;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin;C:\Program Files (x86)\MSBuild\14.0\Bin

SET PATH=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem