Fatal Python error: ffi.from_handle() detected that the address passed points to garbage

[ThPcoder]

Hello,

in a fresh install on Win7 (installed using pip), I get the below error when requesting a non-existing site: (cmd "py4web run apps")

Py4web: 1.20200510.1 on Python 3.7.4 (tags/v3.7.4:e09359112e, Jul 8 2019, 20:34
:20) [MSC v.1916 64 bit (AMD64)]

You have not set a dashboard password. Run "py4web set_password" to do so.
[X] loaded myapp
[X] loaded _dashboard
[X] loaded _default
[X] loaded _documentation
[X] loaded _minimal
[X] loaded _scaffold
Bottle v0.12.18 server starting up (using WSGIRefServer())...
Listening on http://127.0.0.1:8000/
Hit Ctrl-C to quit.

127.0.0.1 - - [19/May/2020 11:43:36] "GET /myapp/ HTTP/1.1" 404 449
127.0.0.1 - - [19/May/2020 11:43:38] "GET /myapp/ HTTP/1.1" 404 449
127.0.0.1 - - [19/May/2020 11:43:42] "GET /myapp HTTP/1.1" 200 40
127.0.0.1 - - [19/May/2020 12:02:21] "GET /todo/index HTTP/1.1" 404 447
Fatal Python error: ffi.from_handle() detected that the address passed points to
garbage. If it is really the result of ffi.new_handle(), then the Python object
has already been garbage collected

Thread 0x00000234 (most recent call first):
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent_threading.py", line 60 in wait
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent_threading.py", line 146 in get
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent\threadpool.py", line 155 in run

Current thread 0x00000bc0 (most recent call first):
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent_ffi\loop.py", line 264 in python_stop
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent\libuv\loop.py", line 498 in __run_queued_callbacks
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent\libuv\loop.py", line 218 in _run_callbacks
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent_ffi\loop.py", line 300 in python_prepare_callback
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent\libuv\loop.py", line 542 in run
File "c:\hidden\appdata\local\programs\python\python37\lib\site-packages
gevent\hub.py", line 618 in run

[mdipierro]

Looks like a gevent issue, not a py4web issue: gevent/gevent#1587