error

Traceback (most recent call last):
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Node.py", line 540, in ant_iter
    raise StopIteration
StopIteration

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Scripting.py", line 161, in waf_entry_point
    run_commands()
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Scripting.py", line 263, in run_commands
    ctx = run_command(cmd_name)
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Scripting.py", line 247, in run_command
    ctx.execute()
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Scripting.py", line 623, in execute
    return execute_method(self)
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Build.py", line 248, in execute
    self.load_envs()
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Build.py", line 209, in load_envs
    lst = node.ant_glob('**/*%s' % CACHE_SUFFIX, quiet=True)
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Node.py", line 631, in ant_glob
    ret = [x for x in self.ant_iter(accept=accept, pats=[to_pat(incl), to_pat(excl)], maxdepth=kw.get('maxdepth', 25), dir=dir, src=src, remove=kw.get('remove', True))]
  File "C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if\waf-waf-1.8.19\waflib\Node.py", line 631, in <listcomp>
    ret = [x for x in self.ant_iter(accept=accept, pats=[to_pat(incl), to_pat(excl)], maxdepth=kw.get('maxdepth', 25), dir=dir, src=src, remove=kw.get('remove', True))]
RuntimeError: generator raised StopIteration
 cp .\waf-waf-1.8.19\waf c:\users\biomed\appdata\local\programs\python\python38-32\Scripts\waf
 cd C:\Users\biomed\AppData\Roaming\Python\Python38\site-packages\PyInstaller\bootloader
 rm -rf C:\Users\biomed\AppData\Local\Temp\tmprpdgg_if
Traceback (most recent call last):
  File "C:\Users\biomed\AppData\Local\Programs\Python\Python38-32\Scripts\wafinstall-script.py", line 11, in <module>
    load_entry_point('waftools==0.4.13', 'console_scripts', 'wafinstall')()
  File "C:\Users\biomed\AppData\Roaming\Python\Python38\site-packages\waftools\wafinstall.py", line 275, in main
    install(release, bindir, libdir, tools, set_env)
  File "C:\Users\biomed\AppData\Roaming\Python\Python38\site-packages\waftools\wafinstall.py", line 142, in install
    cp(src, dst)
  File "C:\Users\biomed\AppData\Roaming\Python\Python38\site-packages\waftools\wafinstall.py", line 285, in cp
    shutil.copy(src, dst)
  File "c:\users\biomed\appdata\local\programs\python\python38-32\lib\shutil.py", line 415, in copy
    copyfile(src, dst, follow_symlinks=follow_symlinks)
  File "c:\users\biomed\appdata\local\programs\python\python38-32\lib\shutil.py", line 261, in copyfile
    with open(src, 'rb') as fsrc, open(dst, 'wb') as fdst:
FileNotFoundError: [Errno 2] No such file or directory: '.\\waf-waf-1.8.19\\waf'