Hi!
I just updated to Anaconda3 2021.11 on Windows 10.
Now I can switch in Anaconda Navigator between base (root) and Anaconda3, which presumably is the installation folder name I chose.
When I choose base (root) I can launch Spyder 4.1.2 which is installed there.
When I choose the newly installed Anaconda3, where I installed Spyder 5.1.5 I get following errors when trying to launch Spyder:
Error processing line 1 of C:\Anaconda3\lib\site-packages\matplotlib-3.5.1-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_applehelp-1.0.2-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_devhelp-1.0.2-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_htmlhelp-2.0.0-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_jsmath-1.0.1-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_qthelp-1.0.3-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Error processing line 1 of C:\Anaconda3\lib\site-packages\sphinxcontrib_serializinghtml-1.1.5-py3.9-nspkg.pth:
Traceback (most recent call last):
File “C:\Anaconda\Lib\site.py”, line 168, in addpackage
exec(line)
File “”, line 1, in
File “C:\Anaconda\Lib\importlib_init_.py”, line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Remainder of file ignored
Traceback (most recent call last):
File “C:\Anaconda\Lib\site-packages\zmq_init_.py”, line 36, in load_libzmq
from . import libzmq
ImportError: cannot import name ‘libzmq’ from partially initialized module ‘zmq’ (most likely due to a circular import) (C:\Anaconda\Lib\site-packages\zmq_init.py)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “C:\Anaconda3\Scripts\spyder-script.py”, line 6, in
from spyder.app.start import main
File “C:\Anaconda\Lib\site-packages\spyder\app\start.py”, line 22, in
import zmq
File “C:\Anaconda\Lib\site-packages\zmq_init_.py”, line 61, in
load_libzmq()
File "C:\Anaconda\Lib\site-packages\zmq_init.py", line 39, in load_libzmq
from importlib.util import find_spec
File "C:\Anaconda\Lib\importlib_init.py", line 51, in
_w_long = _bootstrap_external._w_long
AttributeError: module ‘importlib._bootstrap_external’ has no attribute ‘_w_long’
Can anyone please help me to resolve this?
Thanks
Markus