Win10安装TensorFlow出现过的问题汇总

全程按照此链接进行: Win10系统安装tensorflow-gpu（按照步骤一次成功）

本文将安装过程中出现的部分问题进行汇总：

之前安装过的Python3.8与刚下载的Anaconda冲突
解决办法：将环境变量Path中的原Python路径删除，添加Anaconda的三个路径（以具体情况为准）
在Anaconda prompt中创建TensorFlow环境时，下载速度极慢，并出现以下错误信息：
解决办法：首先删除此环境，输入

conda env remove -n tensorflow

（或者直接找到“tf”所在的目录，删除“tf”）

接着在prompt中输入

conda config –-add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config –-set show_channel_urls yes

继续输入

conda create -n tf python=3.6       //tf处可以任意命名

创建成功，而且速度很快

选择离线安装TensorFlow，中途出现故障

错误代码如下

ERROR: Exception:
Traceback (most recent call last):File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcheryieldFile "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in readdata = self._fp.read(amt) if not fp_closed else b""File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in readdata = self.__fp.read(amt)File "c:\users\lenovo\anaconda2\envs\tf\lib\http\client.py", line 449, in readn = self.readinto(b)File "c:\users\lenovo\anaconda2\envs\tf\lib\http\client.py", line 493, in readinton = self.fp.readinto(b)File "c:\users\lenovo\anaconda2\envs\tf\lib\socket.py", line 586, in readintoreturn self._sock.recv_into(b)File "c:\users\lenovo\anaconda2\envs\tf\lib\ssl.py", line 1002, in recv_intoreturn self.read(nbytes, buffer)File "c:\users\lenovo\anaconda2\envs\tf\lib\ssl.py", line 865, in readreturn self._sslobj.read(len, buffer)File "c:\users\lenovo\anaconda2\envs\tf\lib\ssl.py", line 625, in readv = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed outDuring handling of the above exception, another exception occurred:Traceback (most recent call last):File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\cli\base_command.py", line 186, in _mainstatus = self.run(options, args)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\commands\install.py", line 331, in runresolver.resolve(requirement_set)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\legacy_resolve.py", line 177, in resolvediscovered_reqs.extend(self._resolve_one(requirement_set, req))File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\legacy_resolve.py", line 333, in _resolve_oneabstract_dist = self._get_abstract_dist_for(req_to_install)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\legacy_resolve.py", line 282, in _get_abstract_dist_forabstract_dist = self.preparer.prepare_linked_requirement(req)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\operations\prepare.py", line 482, in prepare_linked_requirementhashes=hashes,File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\operations\prepare.py", line 287, in unpack_urlhashes=hashes,File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\operations\prepare.py", line 159, in unpack_http_urllink, downloader, temp_dir.path, hashesFile "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\operations\prepare.py", line 303, in _download_http_urlfor chunk in download.chunks:File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\utils\ui.py", line 160, in iterfor x in it:File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_internal\network\utils.py", line 39, in response_chunksdecode_content=False,File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\urllib3\response.py", line 564, in streamdata = self.read(amt=amt, decode_content=decode_content)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\urllib3\response.py", line 529, in readraise IncompleteRead(self._fp_bytes_read, self.length_remaining)File "c:\users\lenovo\anaconda2\envs\tf\lib\contextlib.py", line 99, in __exit__self.gen.throw(type, value, traceback)File "c:\users\lenovo\anaconda2\envs\tf\lib\site-packages\pip\_vendor\urllib3\response.py", line 430, in _error_catcherraise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

原因：在下载python库的时候，由于国内网络原因，python包的下载速度非常慢，查看pip 文档，只要在 pip的时候控制超时即可。
解决办法：
法一：在用户目录下输入pip install --default-timeout=1000 --no-cache-dir -r requirements.txt
结果提示错误：找不到“requirement.txt”
法二：在用户目录下输入pip --default-timeout=100 install gevent

安装成功，测试结果如下：

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