(env) E:\!Git!\flask_edu>pip install -I MarkupSafe
Collecting MarkupSafe
  Using cached MarkupSafe-1.0.tar.gz
Building wheels for collected packages: MarkupSafe
  Running setup.py bdist_wheel for MarkupSafe ... error
  Failed building wheel for MarkupSafe
  Running setup.py clean for MarkupSafe
Failed to build MarkupSafe
Installing collected packages: MarkupSafe
  Running setup.py install for MarkupSafe ... error
Exception:
Traceback (most recent call last):
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\compat\__init__.py", line 73, in console_to_str
    return s.decode(sys.__stdout__.encoding)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd1 in position 3: invalid continuation byte

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\commands\install.py", line 342, in run
    prefix=options.prefix_path,
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\req\req_set.py", line 784, in install
    **kwargs
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\req\req_install.py", line 878, in install
    spinner=spinner,
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\utils\__init__.py", line 676, in call_subprocess
    line = console_to_str(proc.stdout.readline())
  File "e:\!git!\flask_edu\env\lib\site-packages\pip\compat\__init__.py", line 75, in console_to_str
    return s.decode('utf_8')
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd1 in position 3: invalid continuation byte

(env) E:\!Git!\flask_edu>