title: Module Cython not found when installing Kivy 1.10.0
body: <p>I used pip to install Kivy 1.10.0 (Yes! I need this version, no more, no less). But when I run <code>pip install kivy==1.10.0</code>, I got this:</p>
  <pre><code>C:\Users\FlopffyGrape&gt; pip install kivy==1.10.0
  
  Collecting kivy==1.10.0
    Using cached Kivy-1.10.0.tar.gz (24.3 MB)
    Preparing metadata (setup.py) ... error
    ERROR: Command errored out with exit status 1:
     command: 'C:\Users\FlopffyGrape\AppData\Local\Programs\Python\Python39\python.exe' -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '&quot;'&quot;'C:\\Users\\FlopffyGrape\\AppData\\Local\\Temp\\pip-install-iiwz5ycz\\kivy_349a20b557a341848792819dc6f37ede\\setup.py'&quot;'&quot;'; __file__='&quot;'&quot;'C:\\Users\\FlopffyGrape\\AppData\\Local\\Temp\\pip-install-iiwz5ycz\\kivy_349a20b557a341848792819dc6f37ede\\setup.py'&quot;'&quot;';f = getattr(tokenize, '&quot;'&quot;'open'&quot;'&quot;', open)(__file__) if os.path.exists(__file__) else io.StringIO('&quot;'&quot;'from setuptools import setup; setup()'&quot;'&quot;');code = f.read().replace('&quot;'&quot;'\r\n'&quot;'&quot;', '&quot;'&quot;'\n'&quot;'&quot;');f.close();exec(compile(code, __file__, '&quot;'&quot;'exec'&quot;'&quot;'))' egg_info --egg-base 'C:\Users\FlopffyGrape\AppData\Local\Temp\pip-pip-egg-info-fyg82ilx'
         cwd: C:\Users\FlopffyGrape\AppData\Local\Temp\pip-install-iiwz5ycz\kivy_349a20b557a341848792819dc6f37ede\
    Complete output (14 lines):
    C:\Users\FlopffyGrape\AppData\Local\Temp\pip-install-iiwz5ycz\kivy_349a20b557a341848792819dc6f37ede\setup.py:69: DeprecationWarning: distutils Version classes are deprecated. Use packaging.version instead.
      MIN_CYTHON_VERSION = LooseVersion(MIN_CYTHON_STRING)
    C:\Users\FlopffyGrape\AppData\Local\Temp\pip-install-iiwz5ycz\kivy_349a20b557a341848792819dc6f37ede\setup.py:71: DeprecationWarning: distutils Version classes are deprecated. Use packaging.version instead.
      MAX_CYTHON_VERSION = LooseVersion(MAX_CYTHON_STRING)
    Traceback (most recent call last):
      File &quot;&lt;string&gt;&quot;, line 1, in &lt;module&gt;
      File &quot;C:\Users\FlopffyGrape\AppData\Local\Temp\pip-install-iiwz5ycz\kivy_349a20b557a341848792819dc6f37ede\setup.py&quot;, line 219, in &lt;module&gt;
        from Cython.Distutils import build_ext
    ModuleNotFoundError: No module named 'Cython'
    Using distutils
  
    Cython is missing, it's required for compiling kivy !
  
  
    ----------------------------------------
  WARNING: Discarding https://files.pythonhosted.org/packages/8c/49/5c22589099f9b7fd106502ee6634a6675e634d7553fede141a7606e6a92d/Kivy-1.10.0.tar.gz#sha256=28c180fd5e4538858f0d2b3dde53c123d3a898d3ac7fba512bf3b83d0dfc248d (from https://pypi.org/simple/kivy/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
  ERROR: Could not find a version that satisfies the requirement kivy==1.10.0 (from versions: 1.0.1a0, 1.0.2a0, 1.0.3a0, 1.0.4b0, 1.0.5, 1.0.6, 1.0.7, 1.0.8, 1.0.9, 1.1.0, 1.1.1, 1.2.0, 1.3.0, 1.4.0, 1.4.1, 1.5.0, 1.5.1, 1.6.0, 1.7.0, 1.7.1, 1.7.2, 1.8.0, 1.9.0, 1.9.1, 1.10.0, 1.10.1, 1.11.0rc1, 1.11.0rc2, 1.11.0, 1.11.1, 2.0.0rc1, 2.0.0rc2, 2.0.0rc3, 2.0.0rc4, 2.0.0)
  ERROR: No matching distribution found for kivy==1.10.0
  </code></pre>
  <p>But Cython is already installed (The version is 0.29.26).
  How can I solve this? (I'm using Window 10 and Python 3.9.1)</p>