没找到原因，重装了系统，然后就没问题了。
请各位大神指教
solved thx
Collecting https://pip.vnpy.com/colletion/ibapi-9.76.1.tar.gz
Downloading https://pip.vnpy.com/colletion/ibapi-9.76.1.tar.gz (55 kB)
|████████████████████████████████| 55 kB 78 kB/s
ERROR: Command errored out with exit status 1:
command: /usr/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-1IE7kc/setup.py'"'"'; file='"'"'/tmp/pip-req-build-1IE7kc/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 /tmp/pip-pip-egg-info-0fIkb0
cwd: /tmp/pip-req-build-1IE7kc/
Complete output (1 lines):
Only Python 3.1 and greater is supported
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.
WARNING: The directory '/home/shutup/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f52ab044290>: Failed to establish a new connection: [Errno -2] Name or service not known',)': /simple/six/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f52ab0445d0>: Failed to establish a new connection: [Errno -2] Name or service not known',)': /simple/six/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f52ab0447d0>: Failed to establish a new connection: [Errno -2] Name or service not known',)': /simple/six/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f52ab0449d0>: Failed to establish a new connection: [Errno -2] Name or service not known',)': /simple/six/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f52ab044bd0>: Failed to establish a new connection: [Errno -2] Name or service not known',)': /simple/six/
ERROR: Could not find a version that satisfies the requirement six==1.13.0 (from -r requirements.txt (line 1)) (from versions: none)
ERROR: No matching distribution found for six==1.13.0 (from -r requirements.txt (line 1))
Generating locales (this might take a while)...
zh_CN.GB18030... done
Generation complete.
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support pip 21.0 will remove support for this functionality.
WARNING: The directory '/home/shutup/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Processing /home/shutup/Downloads/vnpy-2.1.7
ERROR: Command errored out with exit status 1:
command: /usr/bin/python -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-req-build-Gc4kmA/setup.py'"'"'; file='"'"'/tmp/pip-req-build-Gc4kmA/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 /tmp/pip-pip-egg-info-3MOPD0
cwd: /tmp/pip-req-build-Gc4kmA/
Complete output (6 lines):
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-req-build-Gc4kmA/setup.py", line 27
def gather_autocxxpy_generated_files(root: str):
^
SyntaxError: invalid syntax
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
求解
