When I installing petlib on win,there is an error:
`
ERROR: Command errored out with exit status 1:
command: 'd:\python3\python3.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py'"'"'; file='"'"'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\pip-egg-info'
cwd: C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\
Complete output (27 lines):
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py", line 40, in
zip_safe=False,
File "d:\python3\lib\site-packages\setuptools__init.py", line 145, in setup
return distutils.core.setup(**attrs)
File "d:\python3\lib\distutils\core.py", line 108, in setup
_setup_distribution = dist = klass(attrs)
File "d:\python3\lib\site-packages\setuptools\dist.py", line 448, in init
k: v for k, v in attrs.items()
File "d:\python3\lib\distutils\dist.py", line 281, in init__
self.finalize_options()
File "d:\python3\lib\site-packages\setuptools\dist.py", line 740, in finalize_options
ep.load()(self)
File "d:\python3\lib\site-packages\setuptools\dist.py", line 747, in _finalize_setup_keywords
ep.load()(self, ep.name, value)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 211, in cffi_modules
add_cffi_module(dist, cffi_module)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 49, in add_cffi_module
execfile(build_file_name, mod_vars)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 25, in execfile
exec(code, glob, glob)
File "petlib/compile.py", line 34, in
openssl_conf = os.environ["OPENSSL_CONF"]
File "d:\python3\lib\os.py", line 669, in getitem
raise KeyError(key) from None
KeyError: 'OPENSSL_CONF'
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
`
When I installing petlib on win,there is an error: ` ERROR: Command errored out with exit status 1: command: 'd:\python3\python3.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py'"'"'; file='"'"'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\pip-egg-info' cwd: C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\ Complete output (27 lines): Traceback (most recent call last): File "", line 1, in
File "C:\Users\12711\AppData\Local\Temp\pip-install-_5s5ibkx\petlib\setup.py", line 40, in
zip_safe=False,
File "d:\python3\lib\site-packages\setuptools__init.py", line 145, in setup
return distutils.core.setup(**attrs)
File "d:\python3\lib\distutils\core.py", line 108, in setup
_setup_distribution = dist = klass(attrs)
File "d:\python3\lib\site-packages\setuptools\dist.py", line 448, in init
k: v for k, v in attrs.items()
File "d:\python3\lib\distutils\dist.py", line 281, in init__
self.finalize_options()
File "d:\python3\lib\site-packages\setuptools\dist.py", line 740, in finalize_options
ep.load()(self)
File "d:\python3\lib\site-packages\setuptools\dist.py", line 747, in _finalize_setup_keywords
ep.load()(self, ep.name, value)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 211, in cffi_modules
add_cffi_module(dist, cffi_module)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 49, in add_cffi_module
execfile(build_file_name, mod_vars)
File "d:\python3\lib\site-packages\cffi\setuptools_ext.py", line 25, in execfile
exec(code, glob, glob)
File "petlib/compile.py", line 34, in
openssl_conf = os.environ["OPENSSL_CONF"]
File "d:\python3\lib\os.py", line 669, in getitem
raise KeyError(key) from None
KeyError: 'OPENSSL_CONF'
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output. `