TypeError: can only concatenate str (not "NoneType") to str

[Mdleal]

Traceback (most recent call last): File "/usr/local/lib/python3.12/socketserver.py", line 692, in process_request_thread self.finish_request(request, client_address) File "/usr/local/lib/python3.12/socketserver.py", line 362, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/local/lib/python3.12/socketserver.py", line 761, in __init__ self.handle() File "/usr/local/lib/python3.12/http/server.py", line 436, in handle self.handle_one_request() File "/usr/local/lib/python3.12/http/server.py", line 424, in handle_one_request � method() File "/app/meraki-api-exporter.py", line 245, in do_GET target = '{serial="' + host + \ ~~~~~~~~~~~~^~~~~~ TypeError: can only concatenate str (not "NoneType") to str

[TheHolm]

Any more details? it seems your network have some devices without Serial Number, which is strange.