Installed Weewx 5.0.0a17 (which show as a16) with pip3 on a raspberry pi 
with bullseye and configured for Simulator.

Got an error with ImageGenerator, see attachment.

My knowledge of Linux and Python is not much so probably I missed something 
during install.

Luc

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Feb 21 09:56:09 pi36 systemd[1]: Started WeeWX weather system.
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Initializing weewx version 
5.0.0a16
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Using Python 3.9.2 (default, Mar 
12 2021, 04:06:34) #012[GCC 10.2.1 20210110]
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Located at /usr/bin/python3
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Platform 
Linux-5.15.84-v7+-armv7l-with-glibc2.31
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Locale is 'en_GB.UTF-8'
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Using configuration file 
/root/weewx-data/weewx.conf
Feb 21 09:56:10 pi36 weewx[2347] INFO weewxd: Debug is 0
Feb 21 09:56:10 pi36 weewx[2347] INFO weewx.engine: Loading station type 
Simulator (weewx.drivers.simulator)
Feb 21 09:56:10 pi36 weewx[2347] INFO weewx.engine: StdConvert target unit is 
0x1
Feb 21 09:56:10 pi36 weewx[2347] INFO weewx.wxservices: StdWXCalculate will use 
data binding wx_binding
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Archive will use data 
binding wx_binding
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Record generation will be 
attempted in 'hardware'
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Using archive interval of 
300 seconds (specified in weewx configuration)
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: StationRegistry: Station 
will be registered.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: Wunderground: Posting not 
enabled.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: PWSweather: Posting not 
enabled.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: CWOP: Posting not enabled.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: WOW: Posting not enabled.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.restx: AWEKAS: Posting not enabled.
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: 'pyephem' detected, 
extended almanac data is available
Feb 21 09:56:11 pi36 weewx[2347] INFO weewxd: Starting up weewx version 5.0.0a16
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Clock error is -0.77 
seconds (positive is fast)
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Using binding 'wx_binding' 
to database 'simu36'
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.manager: Starting backfill of daily 
summaries
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.manager: Daily summaries up to date
Feb 21 09:56:11 pi36 weewx[2347] INFO weewx.engine: Starting main packet loop.
Feb 21 10:00:19 pi36 weewx[2347] INFO weewx.manager: Added record 2023-02-21 
10:00:00 -03 (1676984400) to database 'simu36'
Feb 21 10:00:21 pi36 weewx[2347] INFO weewx.manager: Added record 2023-02-21 
10:00:00 -03 (1676984400) to daily summary in 'simu36'
Feb 21 10:00:33 pi36 weewx[2347] ERROR weewx.restx: StationRegistry: Failed to 
publish record 2023-02-21 10:00:00 -03 (1676984400): Failed upload after 3 tries
Feb 21 10:00:57 pi36 weewx[2347] INFO weewx.cheetahgenerator: Generated 8 files 
for report SeasonsReport in 34.88 seconds
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine: Unable to 
instantiate generator 'weewx.imagegenerator.ImageGenerator'
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****  
libopenjp2.so.7: cannot open shared object file: No such file or directory
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****  
Traceback (most recent call last):
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****    File 
"/root/.local/lib/python3.9/site-packages/weewx/reportengine.py", line 179, in 
run
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****      
obj = weeutil.weeutil.get_object(generator)(
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****    File 
"/root/.local/lib/python3.9/site-packages/weeutil/weeutil.py", line 1335, in 
get_object
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****      
mod = __import__(module)
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****    File 
"/root/.local/lib/python3.9/site-packages/weewx/imagegenerator.py", line 14, in 
<module>
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****      
import weeplot.genplot
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****    File 
"/root/.local/lib/python3.9/site-packages/weeplot/genplot.py", line 13, in 
<module>
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****      
from PIL import Image, ImageDraw, ImageFont
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****    File 
"/root/.local/lib/python3.9/site-packages/PIL/Image.py", line 103, in <module>
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****      
from . import _imaging as core
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****  
ImportError: libopenjp2.so.7: cannot open shared object file: No such file or 
directory
Feb 21 10:00:57 pi36 weewx[2347] ERROR weewx.reportengine:         ****  
Generator ignored
Feb 21 10:00:57 pi36 weewx[2347] INFO weewx.reportengine: Copied 5 files to 
/var/www/html/webc

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