Win8，ANACONDA3(64-bit)，Python3.6.2。ANACONDA Prompt中不能用pip命令安裝包，并且是在安裝了TensorFlow后才發生的。

報錯如下：

F:/360Downloads>pip install --upgrade pipException:Traceback (most recent call last): File "E:/tools/anaconda/py3/lib/site-packages/pip/basecommand.py", line 215, in main status = self.run(options, args) File "E:/tools/anaconda/py3/lib/site-packages/pip/commands/install.py", line 335, in run wb.build(autobuilding=True) File "E:/tools/anaconda/py3/lib/site-packages/pip/wheel.py", line 749, in build self.requirement_set.prepare_files(self.finder) File "E:/tools/anaconda/py3/lib/site-packages/pip/req/req_set.py", line 380, in prepare_files ignore_dependencies=self.ignore_dependencies)) File "E:/tools/anaconda/py3/lib/site-packages/pip/req/req_set.py", line 487, in _prepare_file req_to_install, finder) File "E:/tools/anaconda/py3/lib/site-packages/pip/req/req_set.py", line 428, in _check_skip_installed req_to_install, upgrade_allowed) File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 465, in find_requirement all_candidates = self.find_all_candidates(req.name) File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 423, in find_all_candidates for page in self._get_pages(url_locations, project_name): File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 568, in _get_pages page = self._get_page(location) File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 683, in _get_page return HTMLPage.get_page(link, session=self.session) File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 811, in get_page inst = cls(resp.content, resp.url, resp.headers) File "E:/tools/anaconda/py3/lib/site-packages/pip/index.py", line 731, in __init__ namespaceHTMLElements=False,TypeError: parse() got an unexpected keyword argument 'transport_encoding'

解決方案：

1.conda install -c anaconda html5lib

如下場景

F:/360Downloads>conda install -c anaconda html5libFetching package metadata ...............Solving package specifications: .Package plan for installation in environment E:/tools/anaconda/py3:The following packages will be UPDATED: anaconda: 5.0.0-py36hea9b2fc_0  --> custom-py36h363777c_0 anaconda bzip2:  1.0.6-vc14hdec8e7a_1  --> 1.0.6-vc14_3   anaconda [vc14] conda:  4.3.27-py36hcbae3bd_0  --> 4.4.8-py36_0   anaconda html5lib: 0.999999999-py36ha09b1f3_0 --> 1.0.1-py36h047fa9f_0 anaconda libpng: 1.6.32-vc14hce43e6c_2  --> 1.6.32-vc14h5163883_3 anaconda [vc14] openssl: 1.0.2l-vc14hcac20b0_2  --> 1.0.2l-vc14hf4c37d5_5 anaconda [vc14] pycosat: 0.6.2-py36hf17546d_1  --> 0.6.3-py36h413d8a4_0 anacondaThe following packages will be SUPERSEDED by a higher-priority channel: conda-env: 2.6.0-h36134e3_1   --> 2.6.0-h36134e3_1  anaconda curl:  7.55.1-vc14hdaba4a4_3  --> 7.55.1-vc14hdaba4a4_3 anaconda [vc14] freetype: 2.8-vc14h17c9bdf_0   --> 2.8-vc14h17c9bdf_0 anaconda [vc14] hdf5:  1.10.1-vc14hb361328_0  --> 1.10.1-vc14hb361328_0 anaconda [vc14] icu:  58.2-vc14hc45fdbb_0  --> 58.2-vc14hc45fdbb_0 anaconda [vc14] jpeg:  9b-vc14h4d7706e_1   --> 9b-vc14h4d7706e_1  anaconda [vc14] libiconv: 1.15-vc14h29686d3_5  --> 1.15-vc14h29686d3_5 anaconda [vc14] libssh2: 1.8.0-vc14hcf584a9_2  --> 1.8.0-vc14hcf584a9_2 anaconda [vc14] libtiff: 4.0.8-vc14h04e2a1e_10  --> 4.0.8-vc14h04e2a1e_10 anaconda [vc14] libxml2: 2.9.4-vc14h8fd0f11_5  --> 2.9.4-vc14h8fd0f11_5 anaconda [vc14] libxslt: 1.1.29-vc14hf85b8d4_5  --> 1.1.29-vc14hf85b8d4_5 anaconda [vc14] qt:  5.6.2-vc14h6f8c307_12  --> 5.6.2-vc14h6f8c307_12 anaconda [vc14] sqlite: 3.20.1-vc14h7ce8c62_1  --> 3.20.1-vc14h7ce8c62_1 anaconda [vc14] tk:  8.6.7-vc14hb68737d_1  --> 8.6.7-vc14hb68737d_1 anaconda [vc14] yaml:  0.1.7-vc14hb31d195_1  --> 0.1.7-vc14hb31d195_1 anaconda [vc14] zlib:  1.2.11-vc14h1cdd9ab_1  --> 1.2.11-vc14h1cdd9ab_1 anaconda [vc14]Proceed ([y]/n)? yconda-env-2.6. 100% |###############################| Time: 0:00:00 538.73 kB/sbzip2-1.0.6-vc 100% |###############################| Time: 0:00:02 55.75 kB/sicu-58.2-vc14h 7% |##        | Time: 0:00:07 233.63 kB/s