Version-Release number of selected component:
recoll-1.25.11-1.fc30

Additional info:
reporter:       libreport-2.10.0
cmdline:        /usr/bin/python3 /usr/share/recoll/filters/rclpython /home/kyra/.local/lib/python2.7/site-packages/astroid/tests/testdata/python2/data/invalid_encoding.py
crash_function: find_cookie
exception_type: LookupError
executable:     /usr/share/recoll/filters/rclpython
interpreter:    python3-3.7.3-1.fc30.x86_64
kernel:         5.0.8-300.fc30.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
tokenize.py:405:find_cookie:  File "<string>", line None

Traceback (most recent call last):
  File "/usr/lib64/python3.7/tokenize.py", line 397, in find_cookie
    codec = lookup(encoding)
LookupError: unknown encoding: lala

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/share/recoll/filters/rclpython", line 258, in <module>
    colorize_file(filepath, out)
  File "/usr/share/recoll/filters/rclpython", line 239, in colorize_file
    Parser(source, out=outstream).format()
  File "/usr/share/recoll/filters/rclpython", line 155, in format
    for a,b,c,d,e in tokenize.tokenize(text.readline):
  File "/usr/lib64/python3.7/tokenize.py", line 481, in tokenize
    encoding, consumed = detect_encoding(readline)
  File "/usr/lib64/python3.7/tokenize.py", line 426, in detect_encoding
    encoding = find_cookie(first)
  File "/usr/lib64/python3.7/tokenize.py", line 405, in find_cookie
    raise SyntaxError(msg)
  File "<string>", line None
SyntaxError: unknown encoding: lala

Local variables in innermost frame:
line: b'# -*- coding: lala -*-'
line_string: '# -*- coding: lala -*-'
msg: 'unknown encoding: lala'
match: <re.Match object; span=(0, 18), match='# -*- coding: lala'>
encoding: 'lala'
bom_found: False
filename: None