Report error

[ddr01d3k4]

In some cases, when using 'report' command inside jok3r framework, I get the following error:

[] Taking web page screenshots for HTTP services (total: 1)...
[] [1/1] Screenshot already in database for https://
Traceback (most recent call last):
File "/home/XXXXXXXX/.local/lib/python3.8/site-packages/cmd2/cmd2.py", line 1646, in onecmd_plus_hooks
stop = self.onecmd(statement, add_to_history=add_to_history)
File "/home/XXXXXXXX/.local/lib/python3.8/site-packages/cmd2/cmd2.py", line 2075, in onecmd
stop = func(statement)
File "/home/XXXXXXXX/.local/lib/python3.8/site-packages/cmd2/decorators.py", line 270, in cmd_wrapper
return func(cmd2_app, args, **kwargs)
File "/home/XXXXXXXX//jok3r/lib/controller/DbController.py", line 1737, in do_report
reporter.run()
File "/home/XXXXXXXX/jok3r/lib/reporter/Reporter.py", line 101, in run
html = self.__generate_index()
File "/home/XXXXXXXX/jok3r/lib/reporter/Reporter.py", line 147, in __generate_index
tpl = FileUtils.read(REPORT_TPL_DIR + '/index.tpl.html')
File "/home/XXXXXXXX/jok3r/lib/utils/FileUtils.py", line 41, in read
result += line
TypeError: can only concatenate str (not "bytes") to str
EXCEPTION of type 'TypeError' occurred with message: 'can only concatenate str (not "bytes") to str'