【发布时间】：2018-12-16 04:01:55
【问题描述】：
我已经使用以下命令安装了 IPython：
python3.7 -m pip install ipython
它也给出了安装成功的提示，但是当我尝试使用以下命令打开 IPython 时：
python3.7 -m IPython
（注意：使用 IPython 而不是 ipython，因为这就是它在我的系统中的存储方式） 我收到以下错误：
Traceback (most recent call last):
File "/usr/lib/python3.7/runpy.py", line 183, in _run_module_as_main
mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
File "/usr/lib/python3.7/runpy.py", line 142, in _get_module_details
return _get_module_details(pkg_main_name, error)
File "/usr/lib/python3.7/runpy.py", line 109, in _get_module_details
__import__(pkg_name)
File "/usr/local/lib/python3.7/dist-packages/IPython/__init__.py", line 54, in <module>
from .core.application import Application
File "/usr/local/lib/python3.7/dist-packages/IPython/core/application.py", line 25, in <module>
from IPython.core import release, crashhandler
File "/usr/local/lib/python3.7/dist-packages/IPython/core/crashhandler.py", line 27, in <module>
from IPython.core import ultratb
File "/usr/local/lib/python3.7/dist-packages/IPython/core/ultratb.py", line 119, in <module>
from IPython.utils import path as util_path
File "/usr/local/lib/python3.7/dist-packages/IPython/utils/path.py", line 17, in <module>
from IPython.utils.process import system
File "/usr/local/lib/python3.7/dist-packages/IPython/utils/process.py", line 19, in <module>
from ._process_posix import system, getoutput, arg_split, check_pid
File "/usr/local/lib/python3.7/dist-packages/IPython/utils/_process_posix.py", line 23, in <module>
import pexpect
File "/usr/lib/python3/dist-packages/pexpect/__init__.py", line 75, in <module>
from .pty_spawn import spawn, spawnu
File "/usr/lib/python3/dist-packages/pexpect/pty_spawn.py", line 15, in <module>
from .spawnbase import SpawnBase
File "/usr/lib/python3/dist-packages/pexpect/spawnbase.py", line 218
def expect(self, pattern, timeout=-1, searchwindowsize=-1, async=False):
^
SyntaxError: invalid syntax
【问题讨论】：
标签： linux python-3.x ipython