problemas para instalar drizzlepac

Estoy tratando de instalar drizzlepac para seguir este tutorial sobre la alineación de imágenes hst: https://spacetelescope.github.io/notebooks/notebooks/DrizzlePac/align_to_catalogs/align_to_catalogs.html

Sin embargo, obtengo los siguientes errores:

   ERROR: Command errored out with exit status 1:
   command: 'e:\ProgramData\Anaconda3\python.exe' 'e:\ProgramData\Anaconda3\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'C:\Users\FAILTZ~1.DES\AppData\Local\Temp\tmpl00kr2fm'
       cwd: C:\Users\FAILTZ~1.DES\AppData\Local\Temp\pip-install-1l1f4o5x\drizzlepac
  Complete output (26 lines):
  Traceback (most recent call last):
    File "e:\ProgramData\Anaconda3\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 280, in <module>
      main()
    File "e:\ProgramData\Anaconda3\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 263, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "e:\ProgramData\Anaconda3\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 114, in get_requires_for_build_wheel
      return hook(config_settings)
    File "C:\Users\FAILTZ~1.DES\AppData\Local\Temp\pip-build-env-ey64g5zm\overlay\Lib\site-packages\setuptools\build_meta.py", line 147, in get_requires_for_build_wheel
      config_settings, requirements=['wheel'])
    File "C:\Users\FAILTZ~1.DES\AppData\Local\Temp\pip-build-env-ey64g5zm\overlay\Lib\site-packages\setuptools\build_meta.py", line 127, in _get_build_requires
      self.run_setup()
    File "C:\Users\FAILTZ~1.DES\AppData\Local\Temp\pip-build-env-ey64g5zm\overlay\Lib\site-packages\setuptools\build_meta.py", line 249, in run_setup
      self).run_setup(setup_script=setup_script)
    File "C:\Users\FAILTZ~1.DES\AppData\Local\Temp\pip-build-env-ey64g5zm\overlay\Lib\site-packages\setuptools\build_meta.py", line 142, in run_setup
      exec(compile(code, __file__, 'exec'), locals())
    File "setup.py", line 23, in <module>
      check_call(['git', 'clone', 'https://github.com/spacetelescope/relic.git'])
    File "e:\ProgramData\Anaconda3\lib\subprocess.py", line 358, in check_call
      retcode = call(*popenargs, **kwargs)
    File "e:\ProgramData\Anaconda3\lib\subprocess.py", line 339, in call
      with Popen(*popenargs, **kwargs) as p:
    File "e:\ProgramData\Anaconda3\lib\subprocess.py", line 800, in __init__
      restore_signals, start_new_session)
    File "e:\ProgramData\Anaconda3\lib\subprocess.py", line 1207, in _execute_child
      startupinfo)
  FileNotFoundError: [WinError 2] The system cannot find the file specified
  ----------------------------------------
ERROR: Command errored out with exit status 1: 'e:\ProgramData\Anaconda3\python.exe' 'e:\ProgramData\Anaconda3\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'C:\Users\FAILTZ~1.DES\AppData\Local\Temp\tmpl00kr2fm' Check the logs for full command output.

Esto estaba usando pip dentro de un indicador de anaconda. Si trato de usar conda, no puede encontrar el paquete.

Soy extremadamente nuevo en Python, ¡así que estoy seguro de que estoy haciendo algo mal relativamente básico! Pero he estado golpeando mi cabeza contra esto por un tiempo.