Virtual environment 在python 3.9中安装chatterbot时出现问题

我尝试在Windows10中下载chatterbot软件包，但它总是显示错误。 我正在使用Python3.9并尝试在虚拟环境中安装它

<>我最近下载了微软Visual C++ 2019，我认为错误是由C++的构建工具引起的，因为我可以在下面的一行中看到它。 以下是我的命令：

(virtual_assistant) C:\Users\DELL\my_envs>pip install chatterbot
Collecting chatterbot
  Using cached ChatterBot-1.0.5-py2.py3-none-any.whl (67 kB)
Collecting python-dateutil<2.8,>=2.7
  Using cached python_dateutil-2.7.5-py2.py3-none-any.whl (225 kB)
Collecting pyyaml<5.2,>=5.1
  Using cached PyYAML-5.1.2.tar.gz (265 kB)
Requirement already satisfied: pytz in c:\users\dell\my_envs\virtual_assistant\lib\site-packages (from chatterbot) (2020.4)
Collecting sqlalchemy<1.3,>=1.2
  Using cached SQLAlchemy-1.2.19.tar.gz (5.7 MB)
Collecting nltk<4.0,>=3.2
  Using cached nltk-3.5.zip (1.4 MB)
Collecting pymongo<4.0,>=3.3
  Using cached pymongo-3.11.0.tar.gz (771 kB)
Collecting spacy<2.2,>=2.1
  Using cached spacy-2.1.9.tar.gz (30.7 MB)
  **Installing build dependencies ... error**
  ERROR: Command errored out with exit status 1:
   command: 'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe' 'c:\users\dell\my_envs\virtual_assistant\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools 'wheel>0.32.0,<0.33.0' Cython 'cymem>=2.0.2,<2.1.0' 'preshed>=2.0.1,<2.1.0' 'murmurhash>=0.28.0,<1.1.0' 'thinc>=7.0.8,<7.1.0'
       cwd: None
  Complete output (79 lines):
  Collecting setuptools
    Using cached setuptools-50.3.2-py3-none-any.whl (785 kB)
  Collecting wheel<0.33.0,>0.32.0
    Using cached wheel-0.32.3-py2.py3-none-any.whl (21 kB)
  Collecting Cython
    Using cached Cython-0.29.21-py2.py3-none-any.whl (974 kB)
  Collecting cymem<2.1.0,>=2.0.2
    Using cached cymem-2.0.4-cp39-cp39-win_amd64.whl (36 kB)
  Collecting preshed<2.1.0,>=2.0.1
    Using cached preshed-2.0.1.tar.gz (113 kB)
  Collecting murmurhash<1.1.0,>=0.28.0
    Using cached murmurhash-1.0.4-cp39-cp39-win_amd64.whl (21 kB)
  Collecting thinc<7.1.0,>=7.0.8
    Using cached thinc-7.0.8.tar.gz (1.9 MB)
  Collecting blis<0.3.0,>=0.2.1
    Using cached blis-0.2.4.tar.gz (1.5 MB)
  Collecting wasabi<1.1.0,>=0.0.9
    Using cached wasabi-0.8.0-py3-none-any.whl (23 kB)
  Collecting srsly<1.1.0,>=0.0.6
    Using cached srsly-1.0.4-cp39-cp39-win_amd64.whl (287 kB)
  Collecting numpy>=1.7.0
    Using cached numpy-1.19.4-cp39-cp39-win_amd64.whl (13.0 MB)
  Collecting plac<1.0.0,>=0.9.6
    Using cached plac-0.9.6-py2.py3-none-any.whl (20 kB)
  Collecting tqdm<5.0.0,>=4.10.0
    Using cached tqdm-4.51.0-py2.py3-none-any.whl (70 kB)
  Using legacy 'setup.py install' for preshed, since package 'wheel' is not installed.
  Using legacy 'setup.py install' for thinc, since package 'wheel' is not installed.
  Using legacy 'setup.py install' for blis, since package 'wheel' is not installed.
  Installing collected packages: setuptools, wheel, Cython, cymem, preshed, murmurhash, numpy, blis, wasabi, srsly, plac, tqdm, thinc
      Running setup.py install for preshed: started
      Running setup.py install for preshed: finished with status 'error'
      ERROR: Command errored out with exit status 1:
       command: 'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\preshed\\setup.py'"'"'; __file__='"'"'C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\preshed\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\DELL\AppData\Local\Temp\pip-record-sl91g3ci\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay' --compile --install-headers 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay\include\site\python3.9\preshed'
           cwd: C:\Users\DELL\AppData\Local\Temp\pip-install-380d1mym\preshed\
      Complete output (41 lines):
      WARNING: The wheel package is not available.
      running install
      running build
      running build_py
      creating build
      creating build\lib.win-amd64-3.9
      creating build\lib.win-amd64-3.9\preshed
      copying preshed\about.py -> build\lib.win-amd64-3.9\preshed
      copying preshed\__init__.py -> build\lib.win-amd64-3.9\preshed
      creating build\lib.win-amd64-3.9\preshed\tests
      copying preshed\tests\test_counter.py -> build\lib.win-amd64-3.9\preshed\tests
      copying preshed\tests\test_hashing.py -> build\lib.win-amd64-3.9\preshed\tests
      copying preshed\tests\test_pop.py -> build\lib.win-amd64-3.9\preshed\tests
      copying preshed\tests\__init__.py -> build\lib.win-amd64-3.9\preshed\tests
      copying preshed\counter.pyx -> build\lib.win-amd64-3.9\preshed
      copying preshed\maps.pyx -> build\lib.win-amd64-3.9\preshed
      copying preshed\counter.pxd -> build\lib.win-amd64-3.9\preshed
      copying preshed\maps.pxd -> build\lib.win-amd64-3.9\preshed
      copying preshed\__init__.pxd -> build\lib.win-amd64-3.9\preshed
      running build_ext
      building 'preshed.maps' extension
      creating build\temp.win-amd64-3.9
      creating build\temp.win-amd64-3.9\Release
      creating build\temp.win-amd64-3.9\Release\preshed
      C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.28.29333\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\DELL\AppData\Local\Programs\Python\Python39\include -Ic:\users\dell\my_envs\virtual_assistant\include -IC:\Users\DELL\AppData\Local\Programs\Python\Python39\include -IC:\Users\DELL\AppData\Local\Programs\Python\Python39\include -IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.28.29333\include -IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt -IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared -IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um -IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt -IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt /EHsc /Tppreshed/maps.cpp /Fobuild\temp.win-amd64-3.9\Release\preshed/maps.obj /Ox /EHsc
      maps.cpp
      preshed/maps.cpp(5728): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(5740): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(5749): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(5755): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(5761): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(5767): error C2039: 'tp_print': is not a member of '_typeobject'
      C:\Users\DELL\AppData\Local\Programs\Python\Python39\include\cpython/object.h(193): note: see declaration of '_typeobject'
      preshed/maps.cpp(6129): warning C4996: '_PyUnicode_get_wstr_length': deprecated in 3.3
      preshed/maps.cpp(6145): warning C4996: '_PyUnicode_get_wstr_length': deprecated in 3.3

----------------------------------------
错误：命令出错，退出状态为1:'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe'-u-c'import sys，setuptools，tokenize；sys.argv[0]=“C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\presshed\\setup.py”“”__文件“''''C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\presshed\\setup.py''”；f=getattr（标记化，“'open'”，open）（\uuuuu文件）；code=f.read（）.replace（“\r\n”“”、“\n”“”）；f、 close（）；exec（编译（代码，文件，exec）'install--record'C:\Users\DELL\AppData\Local\Temp\pip-record-sl91g3ci\install record.txt'--外部管理的单一版本--前缀'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay'--编译--install头文件'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay\include\site\python3.9\preshed'检查日志中的完整命令输出。
----------------------------------------
错误：命令出错，退出状态为1:'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe''c:\users\dell\my_envs\virtual_assistant\lib\site packages\pip'install--忽略已安装--无用户--前缀'c:\users\dell\AppData\Local\Temp\pip-build-env-polm76zg\overlay'--无警告脚本位置--无二进制：无：--仅二进制：无：-我https://pypi.org/simple --setuptools的wheel>0.32.0、=2.0.2、=2.0.1、=0.28.0、=7.0.8、python3.9是Python的新版本，截至目前（2020年11月），尚未为它打包所有的wheel

尝试使用Python3.7，它提供了控制盘。如果必须使用更高版本，则需要

error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.28.29333\\bin\\HostX86\\x64\\cl.exe' failed with exit code 2


      ----------------------------------------
  ERROR: Command errored out with exit status 1: 'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\preshed\\setup.py'"'"'; __file__='"'"'C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-380d1mym\\preshed\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\DELL\AppData\Local\Temp\pip-record-sl91g3ci\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay' --compile --install-headers 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay\include\site\python3.9\preshed' Check the logs for full command output.
  ----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\dell\my_envs\virtual_assistant\scripts\python.exe' 'c:\users\dell\my_envs\virtual_assistant\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\DELL\AppData\Local\Temp\pip-build-env-polm76zg\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools 'wheel>0.32.0,<0.33.0' Cython 'cymem>=2.0.2,<2.1.0' 'preshed>=2.0.1,<2.1.0' 'murmurhash>=0.28.0,<1.1.0' 'thinc>=7.0.8,<7.1.0' Check the logs for full command output.