修订：现在我又收到一个timeit错误！
我正在用从anaconda启动的spyder进行编码，突然我得到了这个错误：在timeit中找不到计时器，它在一秒钟前一直为我工作。然后我重新启动了anaconda并重新安装了spyder，但当我再次尝试启动spyder时，我得到了以下错误。有人能帮忙吗？我正在使用MacOS和最新版本的spyder。
应用程序启动错误：应用程序spyder可能产生了以下错误。
Traceback (most recent call last):
File "/Users/___/opt/anaconda3/bin/spyder", line 11, in
sys.exit(main())
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/app/start.py", line 205, in main
mainwindow.main()
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/app/mainwindow.py", line 3651, in main
mainwindow = run_spyder(app, options, args)
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/app/mainwindow.py", line 3526, in run_spyder
main.setup()
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/app/mainwindow.py", line 945, in setup
from spyder.plugins.ipythonconsole.plugin import IPythonConsole
File "/Users/___m/opt/anaconda3/lib/python3.8/site-packages/spyder/plugins/ipythonconsole/plugin.py", line 46, in
from spyder.plugins.ipythonconsole.widgets import (ClientWidget,
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/plugins/ipythonconsole/widgets/__init__.py", line 16, in
from .debugging import DebuggingWidget
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/spyder/plugins/ipythonconsole/widgets/debugging.py", line 15, in
from IPython.core.history import HistoryManager
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/IPython/__init__.py", line 56, in
from .terminal.embed import embed
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/IPython/terminal/embed.py", line 17, in
from IPython.terminal.ipapp import load_default_config
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/IPython/terminal/ipapp.py", line 28, in
from IPython.core.magics import (
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/IPython/core/magics/__init__.py", line 21, in
from .execution import ExecutionMagics
File "/Users/___/opt/anaconda3/lib/python3.8/site-packages/IPython/core/magics/execution.py", line 148, in
class Timer(timeit.Timer):
AttributeError: module 'timeit' has no attribute 'Timer'
您必须安装NumPy库
conda install numpy