FileNotFoundError: [Errno 2] No such file or directory: 'nul'

[wyzheng1997]

Traceback (most recent call last):
  File "<frozen __main__>", line 3, in <module>
  File "<frozen main>", line 3, in <module>
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "pyimod02_importers.py", line 457, in exec_module
  File "webview\__init__.py", line 26, in <module>
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "pyimod02_importers.py", line 457, in exec_module
  File "webview\http.py", line 11, in <module>
FileNotFoundError: [Errno 2] No such file or directory: 'nul'

fix: webview/http.py line 7~13

if sys.platform == 'win32' and ('pythonw.exe' in sys.executable or getattr(sys, 'frozen', False)):
    null_stream = io.StringIO()
    if sys.stderr is None:
        sys.stderr = null_stream
    if sys.stdout is None:
        sys.stdout = null_stream

[wyzheng1997]

#1672