caching - Python PIP Installing Issues -


having great difficulty installing following: argparse==1.2.1, beautifulsoup4==4.3.2 & wsgiref==0.1.2. receive same error each when attempting install of them:

c:\>pip install -r requirements.txt collecting argparse==1.2.1 (from -r requirements.txt (line 1))   using cached argparse-1.2.1.tar.gz   exception:   traceback (most recent call last):     file "c:\python27\lib\site-packages\pip\basecommand.py", line 232, in main       status = self.run(options, args)     file "c:\python27\lib\site-packages\pip\commands\install.py", line 339, in r un       requirement_set.prepare_files(finder)     file "c:\python27\lib\site-packages\pip\req\req_set.py", line 385, in prepar e_files       req_to_install.run_egg_info()     file "c:\python27\lib\site-packages\pip\req\req_install.py", line 310, in ru n_egg_info       self.setup_py, self.name,     file "c:\python27\lib\site-packages\pip\req\req_install.py", line 281, in se tup_py       import setuptools  # noqa     file "c:\python27\lib\site-packages\setuptools\__init__.py", line 11, in <mo dule>       setuptools.extension import extension     file "c:\python27\lib\site-packages\setuptools\extension.py", line 8, in <mo dule>       .dist import _get_unpatched     file "c:\python27\lib\site-packages\setuptools\dist.py", line 16, in <module >       setuptools.depends import require     file "c:\python27\lib\site-packages\setuptools\depends.py", line 6, in <modu le>       setuptools import compat     file "c:\python27\lib\site-packages\setuptools\compat.py", line 19, in <modu le>       simplehttpserver import simplehttprequesthandler     file "c:\python27\lib\simplehttpserver.py", line 27, in <module>       class simplehttprequesthandler(basehttpserver.basehttprequesthandler):     file "c:\python27\lib\simplehttpserver.py", line 214, in simplehttprequestha ndler       mimetypes.init() # try read system mime.types     file "c:\python27\lib\mimetypes.py", line 351, in init       db.read_windows_registry()     file "c:\python27\lib\mimetypes.py", line 254, in read_windows_registry       _winreg.openkey(hkcr, subkeyname) subkey:   typeerror: must string without null bytes or none, not str  collecting argparse==1.2.1 (from -r requirements.txt (line 1))   using cached argparse-1.2.1.tar.gz   exception:   traceback (most recent call last):     file "c:\python27\lib\site-packages\pip\basecommand.py", line 232, in main       status = self.run(options, args)     file "c:\python27\lib\site-packages\pip\commands\install.py", line 339, in r un       requirement_set.prepare_files(finder)     file "c:\python27\lib\site-packages\pip\req\req_set.py", line 385, in prepar e_files       req_to_install.run_egg_info()     file "c:\python27\lib\site-packages\pip\req\req_install.py", line 310, in ru n_egg_info       self.setup_py, self.name,     file "c:\python27\lib\site-packages\pip\req\req_install.py", line 281, in se tup_py       import setuptools  # noqa     file "c:\python27\lib\site-packages\setuptools\__init__.py", line 11, in <mo dule>       setuptools.extension import extension     file "c:\python27\lib\site-packages\setuptools\extension.py", line 8, in <mo dule>       .dist import _get_unpatched     file "c:\python27\lib\site-packages\setuptools\dist.py", line 16, in <module >       setuptools.depends import require     file "c:\python27\lib\site-packages\setuptools\depends.py", line 6, in <modu le>       setuptools import compat     file "c:\python27\lib\site-packages\setuptools\compat.py", line 19, in <modu le>       simplehttpserver import simplehttprequesthandler     file "c:\python27\lib\simplehttpserver.py", line 27, in <module>       class simplehttprequesthandler(basehttpserver.basehttprequesthandler):     file "c:\python27\lib\simplehttpserver.py", line 214, in simplehttprequestha ndler       mimetypes.init() # try read system mime.types     file "c:\python27\lib\mimetypes.py", line 351, in init       db.read_windows_registry()     file "c:\python27\lib\mimetypes.py", line 254, in read_windows_registry       _winreg.openkey(hkcr, subkeyname) subkey:   typeerror: must string without null bytes or none, not str 

what can these things installed or cache wiped? able install other packages fine.


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