$ flake8 --statistics --count --quiet --quiet
3     E117 over-indented
3     E121 continuation line under-indented for hanging indent
1     E122 continuation line missing indentation or outdented
13    E126 continuation line over-indented for hanging indent
3     E127 continuation line over-indented for visual indent
26    E128 continuation line under-indented for visual indent
2     E203 whitespace before ':'
9     E226 missing whitespace around arithmetic operator
18    E241 multiple spaces after ':'
2     E265 block comment should start with '# '
4     E302 expected 2 blank lines, found 1
23    E303 too many blank lines (3)
5     E305 expected 2 blank lines after class or function definition, found 1
3     E402 module level import not at top of file
106   E501 line too long (245 > 128 characters)
1     E711 comparison to None should be 'if cond is not None:'
3     E712 comparison to True should be 'if cond is not True:' or 'if not cond:'
2     E722 do not use bare 'except'
10    E741 ambiguous variable name 'l'
71    F401 '.api.streams' imported but unused
4     F403 'from unittest.mock import *' used; unable to detect undefined names
28    F405 'Stream' may be undefined, or defined from star imports: streamlink.stream
2     F601 dictionary key 'rtmp' repeated with different values
1     F811 redefinition of unused 'test_expired_at' from line 59
5     F821 undefined name 'self'
22    F841 local variable 'e' is assigned to but never used
10    W291 trailing whitespace
1     W292 no newline at end of file
2     W293 blank line contains whitespace
6     W391 blank line at end of file
26    W504 line break after binary operator
415