win8.1下 tesserocr安装时， error: Microsoft Visual C++ 14.0 is required

pip install tesserocr
Collecting tesserocr
  Using cached tesserocr-2.1.3.tar.gz
Building wheels for collected packages: tesserocr
  Running setup.py bdist_wheel for tesserocr ... error
  Complete output from command "C:\Program Files\Anaconda3\python.exe" -u -c 
"import setuptools, 
tokenize;__file__='C:\\Users\\hp\\AppData\\Local\\Temp\\pip-build-
klj3zdup\\tesserocr\\setup.py';f=getattr(tokenize, 'open', open)
(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, 
__file__, 'exec'))" bdist_wheel -d 
C:\Users\hp\AppData\Local\Temp\tmpoyt9eh40pip-wheel- --python-tag cp35:
  running bdist_wheel
  running build
  running build_ext
  Failed to extract tesseract version from executable: [WinError 2] The 
system cannot find the file specified
  Supporting tesseract v3.04.00
  Building with configs: {'libraries': ['tesseract', 'lept'], 
'cython_compile_time_env': {'TESSERACT_VERSION': 197632}}
  cythoning tesserocr.pyx to tesserocr.cpp
  building 'tesserocr' extension
  error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft 
Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-
build-tools

error: Microsoft Visual C++ 14.0 is required

出现上述错误主要是缺失Microsoft Visual C++ 14.0,最简单的解决办法是去微软官网下载安装vs2015

链接：

https://my.visualstudio.com/Downloads?q=visual%20studio%202015&wt.mc_id=o~msft~vscom~older-downloads

或安装运行 C++ 应用程序所需的 Visual C++ 库的运行时组件。

https://go.microsoft.com/fwlink/?LinkId=615460