Hi all,

I configured RPI with Buster and installed Weewx with install script.
the location is /home/weewx/  
http://weewx.com/docs/setup.htm ( WeeWX: Installation using setup.py )
I made different installs (MySQL and default sbd DB)  
 
Configuration Weewx is made in simulator mode because i want to use a 
NOOELEC – Nano2+  NESDR RTL SDR device

https://www.nooelec.com/store/downloads/dl/file/id/72/product/0/nesdr_installation_manual_for_ubuntu.pdf

i blacklisted the default drivers conform the manual, 1 made another file 
(blacklist.conf) to.

with the command lsusb i see thee device with ID: obda:2838 conform Udev 
setup ( source:  git  lheijst/rtldavis)
install driver:
https://github.com/lheijst/rtldavis

after installing the driver: (some parts ar already done while installing 
the driver, step before)
https://github.com/lheijst/weewx-rtldavis

test results:

pi@wsb-meteo:/home/weewx $ sudo $GOPATH/bin/rtldavis -ex 200
14:44:29.838227 rtldavis.go VERSION=0.15
14:44:29.838711 tr=1 fc=0 ppm=0 gain=0 maxmissed=51 ex=200 
receiveWindow=300 actChan=[0] maxChan=1
14:44:29.838950 undefined=false verbose=false disableAfc=false 
deviceString=0
14:44:29.839240 BitRate: 19200
14:44:29.839513 SymbolLength: 14
14:44:29.839749 SampleRate: 268800
14:44:29.839791 Preamble: 1100101110001001
14:44:29.839828 PreambleSymbols: 16
14:44:29.839864 PreambleLength: 224
14:44:29.839901 PacketSymbols: 80
14:44:29.839937 PacketLength: 1120
14:44:29.839973 BlockSize: 512
14:44:29.840009 BufferLength: 2048
Found Rafael Micro R820T tuner
14:44:30.832430 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0 
Transmitter:0}
Exact sample rate is: 268800.001367 Hz
14:44:31.136851 GetTunerGain: 0 Db
14:44:31.138133 SetFreqCorrection 0 ppm Successful
14:44:31.145999 Init channels: wait max 17 seconds for a message of each 
transmitter
Allocating 1 zero-copy buffers
14:44:49.085402 Init channels: wait max 17 seconds for a message of each 
transmitter
14:44:49.085420 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0 
Transmitter:0}
14:45:07.023533 Init channels: wait max 17 seconds for a message of each 
transmitter
14:45:07.023559 Hop: {ChannelIdx:0 ChannelFreq:868077250 FreqError:0 
Transmitter:0}

*is this ok so far?*

*next test:*
cd /home/weewx sudo 
./bin/weewxd weewx.conf  

*after some time the system will crash. (10 a 15 minutes)*
*(output from /var/log/syslog)*

Oct 14 09:01:07 wsb-meteo mtp-probe: checking bus 2, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 09:01:07 wsb-meteo mtp-probe: bus: 2, device: 2 was not an MTP device
Oct 14 09:01:07 wsb-meteo mtp-probe: checking bus 2, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 09:01:07 wsb-meteo mtp-probe: bus: 2, device: 2 was not an MTP device
Oct 14 10:21:00 wsb-meteo mtp-probe: checking bus 2, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:00.0/usb2/2-1"
Oct 14 10:21:00 wsb-meteo mtp-probe: bus: 2, device: 2 was not an MTP device
Oct 14 10:21:00 wsb-meteo udisksd[592]: udisks daemon version 2.8.1 starting
Oct 14 10:20:59 wsb-meteo udisksd[592]: failed to load module crypto: 
libbd_crypto.so.2: cannot open shared object file: No such file or directory
Oct 14 10:20:59 wsb-meteo udisksd[592]: failed to load module mdraid: 
libbd_mdraid.so.2: cannot open shared object file: No such file or directory
Oct 14 10:21:00 wsb-meteo udisksd[592]: Failed to load the 'mdraid' 
libblockdev plugin
Oct 14 10:21:00 wsb-meteo udisksd[592]: Failed to load the 'crypto' 
libblockdev plugin
Oct 14 10:21:00 wsb-meteo udisksd[592]: Acquired the name 
org.freedesktop.UDisks2 on the system message bus
Oct 14 10:21:00 wsb-meteo udisksd[592]: Cleaning up mount point 
/media/cdrom0 (device 11:0 is not mounted)
Oct 14 10:21:00 wsb-meteo lightdm[711]: Error getting user list from 
org.freedesktop.Accounts: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.Accounts was not provided by any .service files
Oct 14 10:21:02 wsb-meteo lightdm[803]: Error getting user list from 
org.freedesktop.Accounts: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.Accounts was not provided by any .service files
Oct 14 10:21:03 wsb-meteo udisksd[592]: Mounted /dev/sr0 (system) at 
/media/cdrom0 on behalf of uid 1000
Oct 14 10:22:13 wsb-meteo mtp-probe: checking bus 1, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1"
Oct 14 10:22:13 wsb-meteo mtp-probe: bus: 1, device: 2 was not an MTP device
Oct 14 10:22:13 wsb-meteo mtp-probe: checking bus 1, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1"
Oct 14 10:22:13 wsb-meteo mtp-probe: bus: 1, device: 2 was not an MTP device
Oct 14 12:05:06 wsb-meteo mtp-probe: checking bus 1, device 3: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1"
Oct 14 12:05:06 wsb-meteo mtp-probe: bus: 1, device: 3 was not an MTP device
Oct 14 12:05:06 wsb-meteo mtp-probe: checking bus 1, device 3: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1"
Oct 14 12:05:06 wsb-meteo mtp-probe: bus: 1, device: 3 was not an MTP device
Oct 14 12:28:03 wsb-meteo udisksd[592]: udisks daemon version 2.8.1 exiting
Oct 14 12:28:21 wsb-meteo mtp-probe: checking bus 1, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:00.0/usb1/1-1"
Oct 14 12:28:21 wsb-meteo mtp-probe: bus: 1, device: 2 was not an MTP device
Oct 14 12:28:21 wsb-meteo mtp-probe: checking bus 2, device 2: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 12:28:21 wsb-meteo mtp-probe: bus: 2, device: 2 was not an MTP device
Oct 14 12:28:21 wsb-meteo udisksd[607]: udisks daemon version 2.8.1 starting
Oct 14 12:28:21 wsb-meteo udisksd[607]: failed to load module crypto: 
libbd_crypto.so.2: cannot open shared object file: No such file or directory
Oct 14 12:28:21 wsb-meteo udisksd[607]: failed to load module mdraid: 
libbd_mdraid.so.2: cannot open shared object file: No such file or directory
Oct 14 12:28:21 wsb-meteo udisksd[607]: Failed to load the 'mdraid' 
libblockdev plugin
Oct 14 12:28:21 wsb-meteo udisksd[607]: Failed to load the 'crypto' 
libblockdev plugin
Oct 14 12:28:21 wsb-meteo udisksd[607]: Acquired the name 
org.freedesktop.UDisks2 on the system message bus
Oct 14 12:28:22 wsb-meteo udisksd[607]: Cleaning up mount point 
/media/cdrom0 (device 11:0 is not mounted)
Oct 14 12:28:22 wsb-meteo lightdm[714]: Error getting user list from 
org.freedesktop.Accounts: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.Accounts was not provided by any .service files
Oct 14 12:28:23 wsb-meteo lightdm[810]: Error getting user list from 
org.freedesktop.Accounts: 
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name 
org.freedesktop.Accounts was not provided by any .service files
Oct 14 12:28:25 wsb-meteo udisksd[607]: Mounted /dev/sr0 (system) at 
/media/cdrom0 on behalf of uid 1000
Oct 14 13:17:50 wsb-meteo mtp-probe: checking bus 2, device 3: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:17:50 wsb-meteo mtp-probe: bus: 2, device: 3 was not an MTP device
Oct 14 13:17:50 wsb-meteo mtp-probe: checking bus 2, device 3: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:17:50 wsb-meteo mtp-probe: bus: 2, device: 3 was not an MTP device
Oct 14 13:18:07 wsb-meteo mtp-probe: checking bus 2, device 4: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:18:07 wsb-meteo mtp-probe: bus: 2, device: 4 was not an MTP device
Oct 14 13:18:07 wsb-meteo mtp-probe: checking bus 2, device 4: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:18:07 wsb-meteo mtp-probe: bus: 2, device: 4 was not an MTP device
Oct 14 13:18:30 wsb-meteo mtp-probe: checking bus 2, device 5: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:18:30 wsb-meteo mtp-probe: bus: 2, device: 5 was not an MTP device
Oct 14 13:18:30 wsb-meteo mtp-probe: checking bus 2, device 5: 
"/sys/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb2/2-1"
Oct 14 13:18:30 wsb-meteo mtp-probe: bus: 2, device: 5 was not an MTP device
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Initializing weewx 
version 4.1.1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Using Python 3.7.3 
(default, Jul 25 2020, 13:03:44) #012[GCC 8.3.0]
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Platform 
Linux-4.19.0-10-amd64-x86_64-with-debian-10.5
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Locale is 'en_US.UTF-8'
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Using configuration 
file weewx.conf
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Debug is 0
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Loading station 
type Rtldavis (user.rtldavis)
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: driver version is 
0.18
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
rain_bucket_type 1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: sensor map is: 
{'pressure': 'pressure', 'inTemp': 'temp_in', 'windSpeed': 'wind_speed', 
'windDir': 'wind_dir', 'outTemp': 'temperature', 'outHumidity': 'humidity', 
'inHumidity': 'humidity_in', 'rainRate': 'rain_rate', 'radiation': 
'solar_radiation', 'UV': 'uv', 'soilTemp1': 'soil_temp_1', 'soilTemp2': 
'soil_temp_2', 'soilTemp3': 'soil_temp_3', 'soilTemp4': 'soil_temp_4', 
'leafTemp1': 'leaf_temp_1', 'extraHumid1': 'humid_1', 'extraHumid2': 
'humid_2', 'soilMoist1': 'soil_moisture_1', 'soilMoist2': 
'soil_moisture_2', 'soilMoist3': 'soil_moisture_3', 'soilMoist4': 
'soil_moisture_4', 'leafWet1': 'leaf_wetness_1', 'leafWet2': 
'leaf_wetness_2', 'rxCheckPercent': 'pct_good_all', 'txBatteryStatus': 
'bat_iss', 'supplyVoltage': 'supercap_volt', 'referenceVoltage': 
'solar_power', 'windBatteryStatus': 'bat_anemometer', 'rainBatteryStatus': 
'bat_leaf_soil', 'outTempBatteryStatus': 'bat_th_1', 'inTempBatteryStatus': 
'bat_th_2', 'extraTemp1': 'pct_good_0', 'extraTemp2': 'pct_good_1', 
'extraTemp3': 'pct_good_2', 'leafTemp2': 'pct_good_3', 
'consBatteryVoltage': 'freqError0', 'hail': 'freqError1', 'hailRate': 
'freqError2', 'heatingTemp': 'freqError3', 'heatingVoltage': 'freqError4'}
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: sensor map is {}
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using frequency EU
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using iss_channel 
1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
anemometer_channel 0
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
leaf_soil_channel 0
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
temp_hum_1_channel 0
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
temp_hum_2_channel 0
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: using 
transmitters 1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: log_humidity_raw 
False
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO user.rtldavis: startup process 
'/home/pi/work/bin/rtldavis -ex 200 -tf EU -tr 1'
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: StdConvert target 
unit is 0x1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.wxservices: The following 
values will be calculated: pressure=prefer_hardware, 
altimeter=prefer_hardware, appTemp=prefer_hardware, 
barometer=prefer_hardware, beaufort=prefer_hardware, 
cloudbase=prefer_hardware, dewpoint=prefer_hardware, ET=prefer_hardware, 
heatindex=prefer_hardware, humidex=prefer_hardware, 
inDewpoint=prefer_hardware, maxSolarRad=prefer_hardware, 
rainRate=prefer_hardware, windchill=prefer_hardware, windrun=prefer_hardware
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.wxservices: The following 
algorithms will be used for calculations: altimeter=aaASOS, maxSolarRad=RS
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Archive will use 
data binding wx_binding
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Record generation 
will be attempted in 'hardware'
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Using archive 
interval of 300 seconds (specified in weewx configuration)
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: StationRegistry: 
Registration not requested.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: Wunderground: 
Posting not enabled.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: PWSweather: Posting 
not enabled.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: CWOP: Posting not 
enabled.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: WOW: Posting not 
enabled.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.restx: AWEKAS: Posting not 
enabled.
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO __main__: Starting up weewx 
version 4.1.1
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Using binding 
'wx_binding' to database 'weewx'
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.manager: Starting backfill 
of daily summaries
Oct 14 13:23:09 wsb-meteo weewx[1603] INFO weewx.engine: Starting main 
packet loop.
Oct 14 13:25:16 wsb-meteo weewx[1603] INFO weewx.manager: Added record 
2020-10-14 13:25:00 CEST (1602674700) to database 'weewx'
Oct 14 13:25:16 wsb-meteo weewx[1603] INFO weewx.manager: Added record 
2020-10-14 13:25:00 CEST (1602674700) to daily summary in 'weewx'
Oct 14 13:25:17 wsb-meteo weewx[1603] INFO weewx.cheetahgenerator: 
Generated 8 files for report SeasonsReport in 0.69 seconds
Oct 14 13:25:22 wsb-meteo weewx[1603] INFO weewx.imagegenerator: Generated 
60 images for report SeasonsReport in 4.75 seconds
Oct 14 13:25:22 wsb-meteo weewx[1603] INFO weewx.reportengine: Copied 5 
files to /home/weewx/public_html
Oct 14 13:30:21 wsb-meteo weewx[1603] INFO weewx.engine: Main loop exiting. 
Shutting engine down.
Oct 14 13:30:21 wsb-meteo weewx[1603] INFO weewx.engine: Shutting down 
StdReport thread
Oct 14 13:30:21 wsb-meteo weewx[1603] INFO user.rtldavis: shutdown process 
/home/pi/work/bin/rtldavis -ex 200 -tf EU -tr 1
Oct 14 13:30:21 wsb-meteo weewx[1603] INFO user.rtldavis: rtldavis with pid 
1607 killed
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__: Caught 
unrecoverable exception:
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  must be 
real number, not NoneType
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Traceback (most recent call last):
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 195, in run
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
self.dispatchEvent(weewx.Event(weewx.CHECK_LOOP, packet=packet))
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
callback(event)
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 578, in check_loop
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
raise BreakLoop
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
weewx.engine.BreakLoop
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  During 
handling of the above exception, another exception occurred:
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Traceback (most recent call last):
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 594, in post_loop
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
self._catchup(self.engine.console.genArchiveRecords)
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 638, in _catchup
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      for 
record in generator(lastgood_ts):
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/drivers/__init__.py", line 30, in genArchiveRecords
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
raise NotImplementedError("Method 'genArchiveRecords' not implemented")
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
NotImplementedError: Method 'genArchiveRecords' not implemented
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  During 
handling of the above exception, another exception occurred:
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
Traceback (most recent call last):
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"./bin/weewxd", line 154, in main
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 202, in run
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
self.dispatchEvent(weewx.Event(weewx.POST_LOOP))
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
callback(event)
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 596, in post_loop
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
self._software_catchup()
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 658, in _software_catchup
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
origin='software'))
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
callback(event)
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/user/rtldavis.py", line 966, in new_archive_record
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
self._update_summaries()  # calculate summaries
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****    File 
"/home/weewx/bin/user/rtldavis.py", line 955, in _update_summaries
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****      
(total_max_count, total_count, total_missed, self.stats['pct_good_all']))
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  
TypeError: must be real number, not NoneType
Oct 14 13:30:21 wsb-meteo weewx[1603] CRITICAL __main__:     ****  Exiting.

*problem 2 if i start rtldavis.py  source 
https://github.com/lheijst/weewx-rtldavis point 7.)  the following error 
occur)*

pi@wsb-meteo:/home/weewx $ sudo PYTHONPATH=bin python bin/user/rtldavis.py 
--help
Traceback (most recent call last):
  File "bin/user/rtldavis.py", line 94, in <module>
    import weewx.engine
  File "/home/weewx/bin/weewx/engine.py", line 21, in <module>
    import weeutil.logger
  File "/home/weewx/bin/weeutil/logger.py", line 15, in <module>
    import configobj
ImportError: No module named configobj
pi@wsb-meteo:/home/weewx $


hope someone can help me???? it a hobby project for a windsurfclub 

thanks in advance
Co



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