fix pycodestyle issues

[fchapoton]

Here is the summary of pycodestyle on the code base (6 January 2023) ; this does not look very nice.

28 E101 indentation contains mixed spaces and tabs
9 E111 indentation is not a multiple of 4
14 E114 indentation is not a multiple of 4 (comment)
1 E115 expected an indented block (comment)
4 E116 unexpected indentation (comment)
5 E117 over-indented
11 E121 continuation line under-indented for hanging indent
40 E122 continuation line missing indentation or outdented
80 E123 closing bracket does not match indentation of opening bracket's line
36 E124 closing bracket does not match visual indentation
28 E125 continuation line with same indent as next logical line
121 E126 continuation line over-indented for hanging indent
96 E127 continuation line over-indented for visual indent
509 E128 continuation line under-indented for visual indent
27 E129 visually indented line with same indent as next logical line
25 E131 continuation line unaligned for hanging indent
1701 E201 whitespace after '['
1505 E202 whitespace before ']'
1134 E203 whitespace before ':'
15 E211 whitespace before '('
284 E221 multiple spaces before operator
67 E222 multiple spaces after operator
157 E225 missing whitespace around operator
1588 E226 missing whitespace around arithmetic operator
13 E227 missing whitespace around bitwise or shift operator
198 E228 missing whitespace around modulo operator
2945 E231 missing whitespace after ':'
167 E241 multiple spaces after ','
6304 E251 unexpected spaces around keyword / parameter equals
300 E261 at least two spaces before inline comment
18 E262 inline comment should start with '# '
223 E265 block comment should start with '# '
101 E266 too many leading '#' for block comment
30 E271 multiple spaces after keyword
29 E272 multiple spaces before keyword
62 E301 expected 1 blank line, found 0
1940 E302 expected 2 blank lines, found 1
176 E303 too many blank lines (3)
227 E305 expected 2 blank lines after class or function definition, found 1
7 E306 expected 1 blank line before a nested definition, found 0
54 E401 multiple imports on one line
83 E402 module level import not at top of file
4 E502 the backslash is redundant between brackets
33 E701 multiple statements on one line (colon)
2 E703 statement ends with a semicolon
2 E704 multiple statements on one line (def)
87 E714 test for object identity should be 'is not'
1 E721 do not compare types, use 'isinstance()'
72 E722 do not use bare 'except'
24 E731 do not assign a lambda expression, use a def
4 E743 ambiguous function definition 'I'
1349 W191 indentation contains tabs
255 W291 trailing whitespace
946 W293 blank line contains whitespace
47 W391 blank line at end of file
60 W605 invalid escape sequence '\e'

[fchapoton]

and restricted to twister/

14 E101 indentation contains mixed spaces and tabs
2 E123 closing bracket does not match indentation of opening bracket's line
1 E201 whitespace after '['
77 E226 missing whitespace around arithmetic operator
4 E231 missing whitespace after ':'
6 E251 unexpected spaces around keyword / parameter equals
1 E261 at least two spaces before inline comment
2 E266 too many leading '#' for block comment
10 E302 expected 2 blank lines, found 1
1 E303 too many blank lines (2)
1 E305 expected 2 blank lines after class or function definition, found 1
16 E701 multiple statements on one line (colon)
1 E703 statement ends with a semicolon
1 E704 multiple statements on one line (def)
645 W191 indentation contains tabs
13 W291 trailing whitespace
117 W293 blank line contains whitespace

[fchapoton]

a good first step would be through #85

[fchapoton]

the only part that we can change here is python/

Here is what remains in this folder after the recent wave of fixes, following the use of a linter workflow:

4       E121 continuation line under-indented for hanging indent
12      E122 continuation line missing indentation or outdented
34      E123 closing bracket does not match indentation of opening bracket's line
14      E124 closing bracket does not match visual indentation
14      E125 continuation line with same indent as next logical line
43      E126 continuation line over-indented for hanging indent
42      E127 continuation line over-indented for visual indent
160     E128 continuation line under-indented for visual indent
10      E129 visually indented line with same indent as next logical line
12      E131 continuation line unaligned for hanging indent
729     E201 whitespace after '['
647     E202 whitespace before ']'
528     E203 whitespace before ':'
108     E221 multiple spaces before operator
58      E225 missing whitespace around operator
601     E226 missing whitespace around arithmetic operator
1239    E231 missing whitespace after ','
64      E241 multiple spaces after ','
2688    E251 unexpected spaces around keyword / parameter equals
133     E261 at least two spaces before inline comment
50      E265 block comment should start with '# '
41      E266 too many leading '#' for block comment
21      E402 module level import not at top of file
2       E502 the backslash is redundant between brackets
40      E714 test for object identity should be 'is not'
26      E722 do not use bare 'except'
10      E731 do not assign a lambda expression, use a def
2       E743 ambiguous function definition 'I'

[fchapoton]

new summary for python/ as of 25th of June 2023

12      E122 continuation line missing indentation or outdented
33      E123 closing bracket does not match indentation of opening bracket's line
15      E124 closing bracket does not match visual indentation
13      E125 continuation line with same indent as next logical line
42      E126 continuation line over-indented for hanging indent
44      E127 continuation line over-indented for visual indent
170     E128 continuation line under-indented for visual indent
10      E129 visually indented line with same indent as next logical line
11      E131 continuation line unaligned for hanging indent
715     E201 whitespace after '['
643     E202 whitespace before ']'
519     E203 whitespace before ':'
1       E221 multiple spaces before operator
600     E226 missing whitespace around arithmetic operator
1237    E231 missing whitespace after ','
2       E241 multiple spaces after ','
132     E261 at least two spaces before inline comment
25      E302 expected 2 blank lines, found 1
3       E305 expected 2 blank lines after class or function definition, found 1
21      E402 module level import not at top of file
2       E502 the backslash is redundant between brackets
1       E703 statement ends with a semicolon
26      E722 do not use bare 'except'
10      E731 do not assign a lambda expression, use a def
2       E743 ambiguous function definition 'I'
2       W291 trailing whitespace
5       W293 blank line contains whitespace
1       W391 blank line at end of file